CN113788976A - Latex product surface treating agent and preparation method and application thereof - Google Patents
Latex product surface treating agent and preparation method and application thereof Download PDFInfo
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- CN113788976A CN113788976A CN202111077893.6A CN202111077893A CN113788976A CN 113788976 A CN113788976 A CN 113788976A CN 202111077893 A CN202111077893 A CN 202111077893A CN 113788976 A CN113788976 A CN 113788976A
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- Prior art keywords
- latex
- treating agent
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- trichloroisocyanuric acid
- surface treating
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- 229920000126 latex Polymers 0.000 title claims abstract description 85
- 239000004816 latex Substances 0.000 title claims abstract description 83
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 36
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- YRIZYWQGELRKNT-UHFFFAOYSA-N 1,3,5-trichloro-1,3,5-triazinane-2,4,6-trione Chemical compound ClN1C(=O)N(Cl)C(=O)N(Cl)C1=O YRIZYWQGELRKNT-UHFFFAOYSA-N 0.000 claims abstract description 40
- 229950009390 symclosene Drugs 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000008367 deionised water Substances 0.000 claims abstract description 18
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 18
- 239000002994 raw material Substances 0.000 claims abstract description 14
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims abstract description 7
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 18
- 239000000460 chlorine Substances 0.000 claims description 18
- 229910052801 chlorine Inorganic materials 0.000 claims description 18
- 239000012756 surface treatment agent Substances 0.000 claims description 12
- 229920001971 elastomer Polymers 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- 238000004381 surface treatment Methods 0.000 abstract description 9
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 32
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 20
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 14
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 9
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 9
- 239000003960 organic solvent Substances 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 description 5
- 239000007844 bleaching agent Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000005660 chlorination reaction Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000005708 Sodium hypochlorite Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- QQZOPKMRPOGIEB-UHFFFAOYSA-N 2-Oxohexane Chemical compound CCCCC(C)=O QQZOPKMRPOGIEB-UHFFFAOYSA-N 0.000 description 2
- ZPVFWPFBNIEHGJ-UHFFFAOYSA-N 2-octanone Chemical compound CCCCCCC(C)=O ZPVFWPFBNIEHGJ-UHFFFAOYSA-N 0.000 description 2
- RHLVCLIPMVJYKS-UHFFFAOYSA-N 3-octanone Chemical compound CCCCCC(=O)CC RHLVCLIPMVJYKS-UHFFFAOYSA-N 0.000 description 2
- HCFAJYNVAYBARA-UHFFFAOYSA-N 4-heptanone Chemical compound CCCC(=O)CCC HCFAJYNVAYBARA-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- NMJJFJNHVMGPGM-UHFFFAOYSA-N butyl formate Chemical compound CCCCOC=O NMJJFJNHVMGPGM-UHFFFAOYSA-N 0.000 description 2
- 239000012320 chlorinating reagent Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- BGTOWKSIORTVQH-UHFFFAOYSA-N cyclopentanone Chemical compound O=C1CCCC1 BGTOWKSIORTVQH-UHFFFAOYSA-N 0.000 description 2
- 125000002897 diene group Chemical group 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- LZCLXQDLBQLTDK-UHFFFAOYSA-N ethyl 2-hydroxypropanoate Chemical compound CCOC(=O)C(C)O LZCLXQDLBQLTDK-UHFFFAOYSA-N 0.000 description 2
- FKRCODPIKNYEAC-UHFFFAOYSA-N ethyl propionate Chemical compound CCOC(=O)CC FKRCODPIKNYEAC-UHFFFAOYSA-N 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000005658 halogenation reaction Methods 0.000 description 2
- CATSNJVOTSVZJV-UHFFFAOYSA-N heptan-2-one Chemical compound CCCCCC(C)=O CATSNJVOTSVZJV-UHFFFAOYSA-N 0.000 description 2
- NGAZZOYFWWSOGK-UHFFFAOYSA-N heptan-3-one Chemical compound CCCCC(=O)CC NGAZZOYFWWSOGK-UHFFFAOYSA-N 0.000 description 2
- 150000002576 ketones Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 239000004636 vulcanized rubber Substances 0.000 description 2
- ULPMRIXXHGUZFA-UHFFFAOYSA-N (R)-4-Methyl-3-hexanone Natural products CCC(C)C(=O)CC ULPMRIXXHGUZFA-UHFFFAOYSA-N 0.000 description 1
- HNAGHMKIPMKKBB-UHFFFAOYSA-N 1-benzylpyrrolidine-3-carboxamide Chemical compound C1C(C(=O)N)CCN1CC1=CC=CC=C1 HNAGHMKIPMKKBB-UHFFFAOYSA-N 0.000 description 1
- PFCHFHIRKBAQGU-UHFFFAOYSA-N 3-hexanone Chemical compound CCCC(=O)CC PFCHFHIRKBAQGU-UHFFFAOYSA-N 0.000 description 1
- LPEKGGXMPWTOCB-UHFFFAOYSA-N 8beta-(2,3-epoxy-2-methylbutyryloxy)-14-acetoxytithifolin Natural products COC(=O)C(C)O LPEKGGXMPWTOCB-UHFFFAOYSA-N 0.000 description 1
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 1
- FERIUCNNQQJTOY-UHFFFAOYSA-M Butyrate Chemical compound CCCC([O-])=O FERIUCNNQQJTOY-UHFFFAOYSA-M 0.000 description 1
- JGFBQFKZKSSODQ-UHFFFAOYSA-N Isothiocyanatocyclopropane Chemical compound S=C=NC1CC1 JGFBQFKZKSSODQ-UHFFFAOYSA-N 0.000 description 1
- RJUFJBKOKNCXHH-UHFFFAOYSA-N Methyl propionate Chemical compound CCC(=O)OC RJUFJBKOKNCXHH-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- RFAZFSACZIVZDV-UHFFFAOYSA-N butan-2-one Chemical compound CCC(C)=O.CCC(C)=O RFAZFSACZIVZDV-UHFFFAOYSA-N 0.000 description 1
- OBNCKNCVKJNDBV-UHFFFAOYSA-N butanoic acid ethyl ester Natural products CCCC(=O)OCC OBNCKNCVKJNDBV-UHFFFAOYSA-N 0.000 description 1
- 229940043232 butyl acetate Drugs 0.000 description 1
- PWLNAUNEAKQYLH-UHFFFAOYSA-N butyric acid octyl ester Natural products CCCCCCCCOC(=O)CCC PWLNAUNEAKQYLH-UHFFFAOYSA-N 0.000 description 1
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000006757 chemical reactions by type Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- HPXRVTGHNJAIIH-UHFFFAOYSA-N cyclohexanol Chemical compound OC1CCCCC1 HPXRVTGHNJAIIH-UHFFFAOYSA-N 0.000 description 1
- 235000013365 dairy product Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- ODQWQRRAPPTVAG-GZTJUZNOSA-N doxepin Chemical compound C1OC2=CC=CC=C2C(=C/CCN(C)C)/C2=CC=CC=C21 ODQWQRRAPPTVAG-GZTJUZNOSA-N 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 229940116333 ethyl lactate Drugs 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 230000002140 halogenating effect Effects 0.000 description 1
- 230000026030 halogenation Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 229940057867 methyl lactate Drugs 0.000 description 1
- 229940017219 methyl propionate Drugs 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- YKYONYBAUNKHLG-UHFFFAOYSA-N n-Propyl acetate Natural products CCCOC(C)=O YKYONYBAUNKHLG-UHFFFAOYSA-N 0.000 description 1
- UUIQMZJEGPQKFD-UHFFFAOYSA-N n-butyric acid methyl ester Natural products CCCC(=O)OC UUIQMZJEGPQKFD-UHFFFAOYSA-N 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- YWXLSHOWXZUMSR-UHFFFAOYSA-N octan-4-one Chemical compound CCCCC(=O)CCC YWXLSHOWXZUMSR-UHFFFAOYSA-N 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229940090181 propyl acetate Drugs 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000002522 swelling effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 239000012463 white pigment Substances 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/12—Chemical modification
- C08J7/126—Halogenation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2321/00—Characterised by the use of unspecified rubbers
- C08J2321/02—Latex
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
The invention discloses a latex product surface treating agent, a preparation method and application thereof, and belongs to the technical field of rubber latex industry. The surface treating agent for the latex product is prepared from the following raw materials in percentage by mass: 0.2 to 1 percent of trichloroisocyanuric acid and 99 to 99.8 percent of deionized water. The preparation method of the surface treating agent for the latex product comprises the following steps: adding trichloroisocyanuric acid into deionized water, and stirring and mixing to obtain the product. The invention relates to the application of the surface treating agent for latex products in the preparation of latex products; the latex product comprises a latex product with smooth and non-sticky surface. The surface treating agent for the latex product is suitable for surface treatment of thin-wall latex products, and has the advantages of good treatment effect, simple preparation method and environmental friendliness.
Description
Technical Field
The invention belongs to the technical field of rubber latex industry, and particularly relates to a latex product surface treating agent, and a preparation method and application thereof.
Background
Latex dipped products, particularly thin-walled products such as gloves, condoms and the like, have extremely strong self-viscosity on the surface after molding and vulcanization, so that the surface is easy to adhere, the rejection rate is high, and the wearing of products without surface treatment is inconvenient. The treatment of the surface of the latex product is particularly important in order to prevent stickiness, improve appearance, improve the use properties, and further compensate for some of the deficiencies of the characteristics of the main raw materials used.
In the prior art, the anti-sticking method includes physical treatment, chemical treatment, anti-sticking surface modification, and the like. Among the physical treatment methods, the most commonly used is the powder coating method, in which the dried or vulcanized product is impregnated and the powder coating is performed after the product is released from the mold, including dry and wet methods. The common separant includes talcum powder, zinc stearate, white pigment, etc. The method has the advantages of good anti-sticking effect and the defects of dust pollution caused by powder coating, residual on the surface of a product and adverse influence on use. There are also methods of coating silicone oil and its emulsion, and some new high molecular polymer emulsion used at present, but there is a certain limitation to the use of these materials, for example, silicone oil is only suitable for condoms, some high molecular polymer emulsion is only suitable for medical gloves and disposable gloves, and is not suitable for industrial and household gloves, balloon, etc.
In the chemical treatment method, the main material in the latex dipping product is mostly a polymer with a reaction type diene structure, and the dried or vulcanized rubber surface is selectively halogenated to form a non-sticky surface layer. The most commonly adopted chlorination reaction in the halogenation reaction is a chlorination reaction, wherein sodium hypochlorite or bleaching powder is dispersed in water, hydrochloric acid is added for reaction, and chlorine in the chlorine water can carry out cyclization and chlorination reaction on the surface of a natural latex vulcanized rubber film to make the surface of the rubber film lose viscosity, so that the surface of a product loses viscosity, is smooth and is not sticky and comfortable to wear. The method has the advantages of short treatment time and good effect. The method has the defects that the reaction speed of chlorine water on an adhesive film is too high, the chlorination degree is difficult to control, the product performance is extremely easy to obviously reduce, the product generates yellowing, hardening and cracking and the like, the method is suitable for latex products with limited types and only suitable for latex products with thicker wall thickness, such as household gloves and industrial gloves, and more remarkably, a large amount of toxic chlorine gas is generated by the reaction of sodium hypochlorite or bleaching powder and hydrochloric acid in the treatment process, so that the environmental pollution is serious, the method is extremely unfavorable for the health of operation and peripheral production personnel, and the waste liquid is difficult to treat. At present, the use of the method is forbidden by the nation. There is also a method of treating the surface of the latex product directly with chlorine gas, and similarly, the use of chlorine gas and waste liquid is prohibited due to the problem of contamination.
In conventional patent CN 1061103554A, a method of halogenating the surface of a nitrile glove article with trichloroisocyanuric acid is reported, and in this method, "as long as it is a solvent capable of dissolving a surface treatment agent," there is no particular limitation, and examples thereof include water; linear ketones such as acetone, methyl ethyl ketone (2-butanone), cyclopentanone, 2-hexanone, 3-hexanone, 2-heptanone, 3-heptanone, 4-heptanone, 2-octanone, 3-octanone, and 4-octanone; alcohols such as methanol, ethanol, n-propanol, isopropanol, n-butanol, and cyclohexanol; and esters such as propyl formate, butyl formate, propyl acetate, butyl acetate, methyl propionate, ethyl propionate, methyl butyrate, ethyl butyrate, methyl lactate, and ethyl lactate. From the viewpoint of good solubility of the surface treatment agent and easy removal after the surface treatment, linear ketones are preferable, acetone is more preferable, and these solvents can be used alone or in combination of 2 or more.
In the method, acetone is used as a preferred solvent, trichloroisocyanuric acid is dissolved in the trichloroisocyanuric acid, and then the butyronitrile latex product is soaked in the dissolved solution, so that the purpose of anti-sticking treatment on the surface of the product is achieved. However, the surface treatment of a latex product with an organic solvent such as acetone and a trichloroisocyanuric acid solute has the following disadvantages: firstly, the organic solvent has the characteristics of high volatility, flammability and heavy odor, trichloroisocyanuric acid is dissolved in the organic solvent, the odor is more serious, the requirement of environment-friendly clean production cannot be met, particularly, the environment is seriously protected in the current country, the method has very prominent problems in the aspects of safety and environment protection, and the organic solvent cannot be used for large-scale production through evaluation. Secondly, the organic solvent can generate swelling action on latex products, especially thin-walled products, so that the appearance of the products is seriously deformed, the consistency of the products is difficult to ensure, and meanwhile, the mechanical property of the products is obviously reduced. Thirdly, the organic solvent can cause the color of the latex product with color requirements to generate fading, discoloring and the like, thereby causing inconsistent color of the product and generating waste products. Fourthly, a plurality of working procedures of latex product production all use a large amount of water, and because the compatibility of the solvent and the water is poor, the products are easily polluted by the solvent, and the difficulty of wastewater treatment is increased. Fifthly, in the method, trichloroisocyanuric acid and acetone dissolved matters are used as a surface treatment agent of the latex product, the treatment time is 20-300 seconds, preferably 30-240 seconds, and for the scale production of latex, the treatment time is too short, so that the surface halogenation overshoot of the product, the performance reduction and the treatment degree inconsistency among products are easily caused. Sixthly, in the patent method, water is reported to be used as a solvent of trichloroisocyanuric acid, but the operation method and the action mechanism are not specifically clarified. The dissolution of trichloroisocyanuric acid in water is a slow process, so that the monitoring of the concentration of effective chlorine components generated by the dissolution of trichloroisocyanuric acid in water is particularly important, and ideal treatment effect cannot be obtained when the concentration is too high or too low.
The surface modification method, namely, anti-skid processing, is to process the surface of a latex dipped latex product into a rugged surface, so that the surface is rough to achieve the purposes of anti-sticking and anti-skid, and common methods comprise a rubber powder pasting method, a powder substance gel method, a gel swelling method and the like. The method improves the anti-sticking and anti-skid performance, and has the defects of increased product thickness, rough appearance and reduced comfort. The application range is limited, and the method is not suitable for surface treatment of the thin-walled latex dairy products.
Therefore, the provided latex product surface treating agent is suitable for surface treatment of thin-wall latex products, has a good treatment effect, is simple in preparation method and environment-friendly, and becomes a problem to be solved by technical personnel in the field.
Disclosure of Invention
One of the purposes of the invention is to provide the latex product surface treating agent which is suitable for surface treatment of thin-wall latex products, has good treatment effect, simple preparation method and is environment-friendly.
The second object of the present invention is to provide a process for producing the surface treating agent for latex products.
The invention also aims to provide application of the surface treating agent for the latex products.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the invention relates to a latex product surface treating agent, which is prepared from the following raw materials in percentage by mass: 0.2 to 1 percent of trichloroisocyanuric acid and 99 to 99.8 percent of deionized water.
In some embodiments of the invention, the composition is prepared from the following raw materials in percentage by mass: 0.4-0.8% of trichloroisocyanuric acid and 99.2-99.6% of deionized water.
In some embodiments of the invention, the composition is prepared from the following raw materials in percentage by mass: 0.6 to 0.8 percent of trichloroisocyanuric acid and 99.2 to 99.4 percent of deionized water.
The surface treating agent for the latex product takes trichloroisocyanuric acid as a main component. Trichloroisocyanuric acid is white crystalline powder or granular solid, has the chemical name of trichloro-s-triazine 2, 4, 6(1H, 3H, 5H) trione, has the characteristics of high effective chlorine content, stable storage and transportation and convenient use compared with the traditional chlorinating agent (such as liquid chlorine, bleaching powder and bleaching powder), is a safe, efficient and environment-friendly oxidizing agent and chlorinating agent recognized by the world, and can replace the traditional bleaching powder or a chemical treatment method of sodium hypochlorite and hydrochloric acid. The reaction mechanism of trichloroisocyanuric acid and water is as follows:
trichloroisocyanuric acid slowly generates cyanuric acid, isocyanuric acid and hypochlorous acid when meeting water, and the hypochlorous acid can react as follows: hypochlorous acid can rapidly release nascent atomic oxygen (usually expressed as available chlorine) and hydrochloric acid under the conditions of temperature rise or illumination;
when hypochlorous acid and hydrochloric acid coexist, the hypochlorous acid and the hydrochloric acid can react to generate chlorine and water only by additionally increasing the concentration of the hydrochloric acid;
the hypochlorous acid solution is heated to decompose hypochlorous acid, and hydrochloric acid and perchloric acid are generated.
For the surface treatment of the latex product, a solution obtained by mixing trichloroisocyanuric acid with water and reacting the mixture is used as the surface treatment agent of the latex product, and the operation is carried out at room temperature without heating the solution and adding other compounds. Therefore, only cyanuric acid, isocyanuric acid and hypochlorous acid, and hypochlorous acid in the used solution generate a small amount of hydrochloric acid and oxygen due to light irradiation or temperature increase. Experiments show that low-concentration hydrochloric acid and hydrogen peroxide have no effect on anti-sticking treatment of the rubber surface, cyanuric acid and isocyanuric acid are organic weak acids, the probability of reaction with a rubber diene structure at normal temperature is very low, and five compounds in the solution can react with unsaturated double bonds of rubber only in a short time at normal temperature, so that the rubber surface loses viscosity and smoothness, and the purpose of treatment is achieved.
In some embodiments of the invention, the trichloroisocyanuric acid available chlorine content is greater than or equal to 88 wt.%.
The preparation method of the surface treating agent for the latex product comprises the following steps:
adding trichloroisocyanuric acid into deionized water, and stirring and mixing.
The invention relates to an application of a surface treating agent for a latex product in preparation of a latex product.
In some embodiments of the invention, the latex article comprises a latex article that requires a smooth, non-tacky surface;
preferably, a thin-walled latex article;
more preferably, the rubber gloves, balloons, finger cots, condoms, bladders, films and rubber tubes for body building are included.
In some embodiments of the invention, the dipped dried or vulcanized latex article is removed from the mold, immersed in a surface treatment agent, washed, dried, and vulcanized.
In some embodiments of the invention, the soaking time is 30-120 min; and then cleaned with clear water.
In some embodiments of the invention, drying is carried out at 80-100 ℃.
Compared with the prior art, the invention has the following beneficial effects:
the invention has scientific design and ingenious conception, adopts trichloroisocyanuric acid as the surface treating agent of the latex product, has excellent effect of treating the surface of the latex product, is not sticky, has smooth touch and is stain-proof; experiments show that the surface treating agent is particularly suitable for thin-wall latex products. The method of the invention is simple to operate and environment-friendly.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
The features and properties of the present invention are described in further detail below with reference to examples.
Example 1
The embodiment discloses a preparation method and application of a novel latex product surface treating agent, and the novel latex product surface treating agent comprises the following raw materials in percentage by mass:
0.2 percent of trichloroisocyanuric acid and 99.8 percent of deionized water.
In this example, the available chlorine content of trichloroisocyanuric acid is 88%.
In this embodiment, the preparation method of the treating agent specifically comprises:
s1, adding trichloroisocyanuric acid with the formula amount into deionized water with the formula amount, stirring and mixing, and measuring the effective chlorine content;
s2, after demolding, immersing the latex glove product in the solution for 120min, cleaning the latex glove product with clean water after treatment, and drying and vulcanizing the latex glove product at the temperature of 90 ℃.
Example 2
The embodiment discloses a preparation method and application of a novel latex product surface treating agent, and the novel latex product surface treating agent comprises the following raw materials in percentage by mass:
0.4 percent of trichloroisocyanuric acid and 99.6 percent of deionized water.
In this example, the available chlorine content of trichloroisocyanuric acid is 88%.
In this embodiment, the preparation method of the treating agent specifically comprises:
s1, adding trichloroisocyanuric acid with the formula amount into deionized water with the formula amount, stirring and mixing, and measuring the effective chlorine content;
s2, after demolding, immersing the latex glove product in the solution for 90min, cleaning the latex glove product with clean water after treatment, and drying and vulcanizing the latex glove product at the temperature of 90 ℃.
Example 3
The embodiment discloses a preparation method and application of a novel latex product surface treating agent, and the novel latex product surface treating agent comprises the following raw materials in percentage by mass:
0.6 percent of trichloroisocyanuric acid and 99.4 percent of deionized water.
In this example, the available chlorine content of trichloroisocyanuric acid is 88%.
In this embodiment, the preparation method of the treating agent specifically comprises:
s1, adding trichloroisocyanuric acid with the formula amount into deionized water with the formula amount, stirring and mixing, and measuring the effective chlorine content;
s2, after demolding, immersing the latex glove product in the solution for 60min, cleaning the latex glove product with clean water after treatment, and drying and vulcanizing the latex glove product at the temperature of 90 ℃.
Example 4
The embodiment discloses a preparation method and application of a novel latex product surface treating agent, and the novel latex product surface treating agent comprises the following raw materials in percentage by mass:
0.8 percent of trichloroisocyanuric acid and 99.2 percent of deionized water.
In this example, the available chlorine content of trichloroisocyanuric acid is 88%.
In this embodiment, the preparation method of the treating agent specifically comprises:
s1, adding trichloroisocyanuric acid with the formula amount into deionized water with the formula amount, stirring and mixing, and measuring the effective chlorine content;
and S2, demolding the latex glove product, immersing the latex glove product in the solution for 45min, cleaning the latex glove product with clear water after treatment, and drying and vulcanizing the latex glove product at the temperature of 90 ℃.
Comparative example 1
Compared with example 4, in S2, the latex glove product is demolded and then immersed in the surface treatment agent solution for 3min at 40 ℃, and the rest conditions are the same.
Comparative example 2
In this comparative example, in comparison with example 4, acetone was substituted for water in the raw material of the surface treatment agent, and the other conditions were the same.
Comparative example 3
Compared with the example 4, the water in the raw material of the surface treating agent is replaced by acetone; in S2, the latex product is demolded and immersed in the surface treating agent solution for 3min at 40 ℃ and the rest conditions are the same.
Experimental example 1
The results of comparing the treatment effects of the novel surface treatment agents for latex products prepared in the examples of the present invention and the comparative examples are shown in Table 1.
Table 1: surface treatment effect of natural latex dipped product
As can be seen from Table 1, the higher the available chlorine content in the treatment agent, the shorter the treatment time and the better the effect.
The above description is only for the best mode of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be made by those skilled in the art within the technical scope of the present invention will be covered by the scope of the present invention.
Those skilled in the art will appreciate that the invention may be practiced without these specific details.
Claims (10)
1. The surface treating agent for the latex product is characterized by being prepared from the following raw materials in percentage by mass: 0.2 to 1 percent of trichloroisocyanuric acid and 99 to 99.8 percent of deionized water.
2. The latex product surface treating agent according to claim 1, which is prepared from the following raw materials in percentage by mass: 0.4-0.8% of trichloroisocyanuric acid and 99.2-99.6% of deionized water.
3. The latex product surface treating agent according to claim 2, which is prepared from the following raw materials in percentage by mass: 0.6 to 0.8 percent of trichloroisocyanuric acid and 99.2 to 99.4 percent of deionized water.
4. The surface treatment agent for latex products according to any of claims 1 to 3, characterized in that the available chlorine content of trichloroisocyanuric acid is not less than 88 wt.%.
5. The method for producing the surface treatment agent for latex products according to any of claims 1 to 4, comprising the steps of:
adding trichloroisocyanuric acid into deionized water, and stirring and mixing.
6. Use of the surface treatment agent for latex products according to any one of claims 1 to 4 in the preparation of latex products.
7. The use according to claim 6, wherein the latex product comprises a latex product requiring a smooth surface, non-tacky;
preferably, a thin-walled latex article;
more preferably, the rubber gloves, balloons, finger cots, condoms, bladders, films and rubber tubes for body building are included.
8. Use according to claim 6, wherein the dipped dried or vulcanized latex article is, after demoulding, immersed in a surface treatment agent, then washed, dried and vulcanized.
9. Use according to claim 8, wherein the soaking time is 30-120 min; and then cleaned with clear water.
10. Use according to claim 8 or 9, characterized in that drying is carried out at 80-100 ℃.
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Application publication date: 20211214 |