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CN102757745B - Esterified-starch-modified waxy corn wet glue and preparation method thereof - Google Patents

Esterified-starch-modified waxy corn wet glue and preparation method thereof Download PDF

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Publication number
CN102757745B
CN102757745B CN201210150194.4A CN201210150194A CN102757745B CN 102757745 B CN102757745 B CN 102757745B CN 201210150194 A CN201210150194 A CN 201210150194A CN 102757745 B CN102757745 B CN 102757745B
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parts
starch
esterification starch
wet glue
glutinous rice
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CN102757745A (en
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周春生
张智辉
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Garefu Technology Co ltd
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Tongxiang Jialifeng Industry Co Ltd
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Abstract

The invention belongs to the field of auxiliary binders in the wallpaper industry and particularly relates to an esterified-starch-modified waxy corn wet glue. The esterified-starch-modified waxy corn wet glue is mainly prepared from the following raw materials in parts by weight through gelatinization, cross-linking and complexation: 76-77 parts of de-ionized water, 5-7 parts of esterified starch A, 3-5 parts of esterified starch B, 4-6 parts of oxidized starch, 4-6 parts of modified waxy corn starch, 0.5-0.8 part of acrylamide, 0.1-0.15 part of nonferrous aluminum sulfate, 0.4 part of sodium benzoate, 0.1-0.15 part of a defoaming agent, 2 parts of urea, 1-1.2 parts of ethylene glycol, 0.2-0.4 part of a bactericide and 2-4 parts of white latex. The invention also provides a preparation method of the modified waxy corn wet glue. The esterified-starch-modified waxy corn wet glue, disclosed by the invention, is extracted and purified from natural waxy corns, belongs to circular plant products and is a renewable resource, so that the policy of saving energy in China is performed better; and meanwhile, the esterified-starch-modified waxy corn wet glue has the advantages of strong bonding power and capabilities of being mixed with water for 100%, improving the bonding area of wallpaper and reducing decoration cost for a user.

Description

Wet glue of a kind of esterification starch modification glutinous rice and preparation method thereof
Technical field
The invention belongs to wallpaper industry auxiliary material adhesive field, be specifically related to wet glue of a kind of esterification starch modification glutinous rice and preparation method thereof.
Background technology
Wallpaper sticking construction adopted polyvinyl alcohol and white glue with vinyl in the past, its shortcoming: (1) wallpaper sticking construction when coating, levelling, oilness are low, and on wallpaper, after wall, unnecessary glue is difficult for discharging, and residual glue affects wallpaper and puts up planeness; (2) after glue is dried, the residual excessive glue of wallpaper seam crossing is easy to clean not, affects aesthetic; (3) high with polyvinyl alcohol and white glue with vinyl cost, polymerization process residual monomer can cause air ambient to pollute; (4) early stage starch adhesive, Workplace is simply equipped, and material combination is improper, causes shelf life of products short, easily turns to be yellow mouldy, easily causes the secondary pollution of environment.
The glutinous rice glue that wets, claim again Japan wet glue, it is a kind of high-performance solid of wallpaper special use, it is to rise and import into other areas in Japan the earliest, thereby in being expert at, be called again " Japanese glue ", and be a kind of natural plant tackiness agent easy to use, while coming unglued, only need add water and stir and can use, without adding in addition tackify rubber cement, more aobvious high-performance when pasting thick and heavy wallpaper.At present, commercially available product is all the Japanese glue of import substantially, and price is all very expensive, and the formula of the Japanese glue of external import is in confidential state.Domestic at the wet glue of active research exploitation glutinous rice, contriver has studied the wet glue product of a kind of glutinous rice before this, but still has the dissatisfactory shortcoming of high, the molten water speed of cost.Therefore, need to develop the wet glue of the desirable glutinous rice of lower, the molten water speed of a kind of production cost.
Summary of the invention
For solving use white glue with vinyl that existing wallpaper industry exists and the defect of polyvinyl alcohol solution construction, and polyvinyl alcohol and monomer belong to petroleum chemicals conversion, is not inconsistent with national energy saving policy.Contriver's object is to provide the desirable esterification starch modification glutinous rice of lower, the molten water speed of a kind of production cost glue that wets, and the preparation method of the wet glue of described esterification starch modification glutinous rice is also provided simultaneously.
Particularly, contriver provides following technical scheme:
The esterification starch modification glutinous rice glue that wets, is mainly made through gelatinization, crosslinked, complex reaction by the starting material of following weight parts:
76 ~ 77 parts of deionized waters,
5 ~ 7 parts of esterification starch A,
3 ~ 5 parts of esterification starch B,
4 ~ 6 parts of Sumstar 190s,
4 ~ 6 parts of modification waxy corn starch,
0.5 ~ 0.8 part of acrylamide (linking agent),
0.1 ~ 0.15 part of non-iron aluminium sulfate (linking agent),
0.4 part of Sodium Benzoate (sanitas),
0.1 ~ 0.15 part of defoamer,
2 parts, urea (complexing agent),
1 ~ 1.2 part of ethylene glycol (softening agent),
0.2 ~ 0.4 part, sterilant,
2 ~ 4 parts of white glue with vinyl (tackifier).
Contriver is through lot of experiments, four kinds of esterifications of main screening and modified starch adopt acrylamide linear crosslinked, when 72 ℃ of gelatinization process, and the linear crosslinked hydroxymethyl starch of acrylamide and vinyl acetate between to for plastic esterification Starch formation colloid, promote modified starch to improve cohesive force, there is viscosifying action.Inorganics-non-iron aluminium sulfate, when colloid reaches 78 ~ 85 ℃, expanded by heating becomes " spongy " material, and four kinds of esterifications of network and modified starch form high thick glue, have tackify, prevent dehydration.It is host that four kinds of treated starches are take in the present invention, is aided with complexing agent, linking agent, softening agent, defoamer, sterilant etc., by suitable proportioning, can obtain the water-soluble high thick glue of a kind of low-cost environment-friendly, the wet glue of esterification starch modification glutinous rice that a kind of environmental protection is antifreeze.
As preferably, according to the wet glue of a kind of esterification starch modification glutinous rice of the present invention, wherein, described esterification starch A is wheat esterification starch, is a kind of macromole wheat starch.Commercially available prod.
As preferably, according to the wet glue of a kind of esterification starch modification glutinous rice of the present invention, wherein, described esterification starch B is cassava esterification starch.Commercially available prod.
As preferably, according to the wet glue of a kind of esterification starch modification glutinous rice of the present invention, wherein, described modification waxy corn starch, is a kind of modification wax-like (side chain) starch, is called again modification waxy corn starch.Commercially available prod.
As preferably, according to the wet glue of a kind of esterification starch modification glutinous rice of the present invention, wherein, described defoamer is selected defoamer GPE.For commercially available prod.Defoamer GPE claims again bubble enemy, and defoamer N33025, foam killer GP, be nonionic surface active agent, is glycerin polyoxyethylene-polyoxypropylene block copolymers.
As preferably, according to the wet glue of a kind of esterification starch modification glutinous rice of the present invention, wherein, described sterilant is FF-02 sterilant.FF-02 sterilant is commercially available prod, it is the efficient industrial sterilization and anticorrosion mould inhibitor of a kind of low toxicity, effective constituent is mainly sulfur-bearing, nitrogen cyclic organic compounds, not containing any heavy metal, sterilization broad-spectrum high efficacy, consumption is few, effective, can effectively kill various microorganisms, as bacterium, fungi and yeasts etc.; Soluble in water, ethanol, easily sneak into oil again, consistency is good; Added system is had no adverse effects; Low toxicity, LD50l200mg/kg.
As preferably, according to the wet glue of a kind of esterification starch modification glutinous rice of the present invention, wherein, described urea and ethylene glycol are pressed 2:1 proportioning.The resistance to frost of the product obtaining under this formula is best.
The present invention also provides the preparation method of the wet glue of above-mentioned a kind of esterification starch modification glutinous rice, comprising:
In reactor, add deionized water, start agitator, add successively four kinds of treated starches, after being uniformly dispersed, add acrylamide and non-iron aluminium sulfate to be warming up to 50 ℃, then add Sodium Benzoate and defoamer to carry out sterilising treatment, continue to be warmed up to 75 ℃ of constant temperature 10 minutes, continue to be warming up to 85 ~ 88 ℃ of reactions 45 minutes, be then cooled to 45 ℃, add urea, ethylene glycol and sterilant to stir 30 minutes, after being uniformly dispersed, add tackifier white glue with vinyl to stir discharging packing after 45 minutes, obtain the wet glue of esterification starch modification glutinous rice.
As preferably, according to the preparation method of the wet glue of a kind of esterification starch modification glutinous rice of the present invention, wherein, production, the packing of the described wet glue product of esterification starch modification glutinous rice are asepticize operation.Aseptic requirement is carried out by industry relevant regulations.
The wet glue product viscosity of esterification starch modification glutinous rice of the present invention is high, uses the amount of being watered large, and for wallpaper construction, rate of drying is fast, good stability, and cost is low; Production technique is simple, and products production, packs omnidistance aseptic technique, belongs to environmental protection, anti-freezing product.
The glutinous rice of the present invention glue product that wets: 1) low-temperature stability, product of the present invention is placed in to temperature-30 ℃ ~-40 ℃ of environment, cryogenic freezing 4 hours, after taking-up, room temperature is melted naturally, and colloid outward appearance and adhesive property do not change; 2) more than colloid production viscosity reaches 11.3 ten thousand cps; 3) product application, in early stage industry, the wet glue series products amount of being watered is 40%, and when product of the present invention is used, the amount of being watered is not less than 100%, normally uses, and being watered rear viscosity is 3.5 ~ 40,000 cps; 4) main raw material of the present invention all belongs to the treated starch of food service industry and the conventional raw material of makeup, is environmentfriendly products, and a small amount of auxiliary agent is as urea, and non-iron aluminium sulfate is industrial chemicals, after complexing, crosslinked, gelatinization, reaches environmental protection.
The storage of the wet glue of esterification starch modification glutinous rice of the present invention: 0 ~ 30 ℃ of temperature range, shady and cool dry ventilation; Unsuitable solar radiation and high temperature storage.
, there is wire drawing shape to colloid in the wet glue application of esterification starch modification glutinous rice: the glue that first will wet is poured clean receptacle into, and stirs in advance 5 minutes, then gradation adds the water suitable with colloid weight, and dispersed with stirring gives gluing operation according to construction process requirement after evenly.Product can be widely used in all kinds of material wallpapers.
Compared with prior art, the present invention has the following advantages:
The wet glue of esterification starch modification glutinous rice of the present invention is starch series product, is that natural Glutinous Semen Maydis refines, and platymiscium circulation plantation product, belongs to renewable resources, has better carried out national save energy policy.
Product provided by the invention has the advantages that cohesive force is strong, and energy 100% is watered, and improves wallpaper bonding area, reduces user's decoration cost.
Preparation method of the present invention has the advantages that technique is simple, production cost is low, and product shelf-stable, quality are good.
Embodiment
Below in conjunction with embodiment, be described more specifically content of the present invention.Should be appreciated that enforcement of the present invention is not limited to the following examples, any pro forma accommodation that the present invention is made and/or change all will fall into protection domain of the present invention.
In the present invention, if not refer in particular to, all part, per-cents are weight unit, and all equipment and raw material etc. all can be buied from market or the industry is conventional.Method in following embodiment, if no special instructions, is the ordinary method of this area.
Main raw material, reagent explanation:
Esterification starch A, is wheat esterification starch, wheat A+ modified starch, and Anhui An Te company produces,
Esterification starch B, is cassava esterification starch, GU-B201 modified starch, and peak, Shunde District, Foshan City starch Chemical Co., Ltd. produces,
Sumstar 190, OX-280 starch, peak, Shunde District, Foshan City starch Chemical Co., Ltd. produces
Modification waxy corn starch, GOF series modified starch, peak, Shunde District, Foshan City starch Chemical Co., Ltd. produces,
Defoamer, defoamer GPE(is defoamer N33025), Jiangsu Taihu Chemical Co., Ltd. produces,
Sterilant, FF-02, Beijing Chang Hua Fine Chemical Co., Ltd produces,
Ethylene glycol, Shanghai Petrochemical Co. Ltd. produces.
embodiment 1:
A kind of esterification starch modification glutinous rice glue that wets, composition of raw materials: 760 kilograms of deionized waters, 60 kilograms of esterification starch A, 35 kilograms of esterification starch B, 50 kilograms of Sumstar 190s, 50 kilograms of modification waxy corn starch, 5 kilograms of acrylamides, 1 kilogram of non-iron aluminium sulfate, 4 kilograms of Sodium Benzoates, 1 kilogram of defoamer, 20 kilograms, urea, 12 kilograms of ethylene glycol, 3 kilograms, sterilant, 20 kilograms of white glue with vinyl, as follows preparation:
In reactor, add deionized water, start agitator, add successively four kinds of treated starches, after being uniformly dispersed, add acrylamide and non-iron aluminium sulfate to be warming up to 50 ℃, then add Sodium Benzoate and defoamer to carry out sterilising treatment, continue to be warmed up to 75 ℃ of constant temperature 10 minutes, continue to be warming up to 85 ℃ of reactions 45 minutes, be then cooled to 45 ℃, add urea, ethylene glycol and sterilant to stir 30 minutes, after being uniformly dispersed, add tackifier white glue with vinyl to stir discharging packing after 45 minutes, obtain the wet glue of esterification starch modification glutinous rice.Products production, pack the operation of omnidistance asepticize.
The product that the present embodiment obtains, after testing, 1) low-temperature stability, product is placed in to-35 ℃ of environment, cryogenic freezing 4 hours, after taking-up, room temperature is melted naturally, and colloid outward appearance and adhesive property do not change; 2) more than colloid production viscosity reaches 121500cps; 3) product application, product is watered 100%, normally uses, and being watered rear viscosity is 38500cps.
Contriver is the wet glue comparison of another glutinous rice with contriver's research before this by product of the present invention, the results are shown in Table 1.
Table 1
Starting material Formula A Formula B
Deionized water 760 760
Modification waxy corn starch 160 50
Esterification starch A / 60
Esterification starch B / 35
Sumstar 190 / 50
White dextrin 20 /
Acrylamide / 5
Urea 20 20
Polyoxyethylene glycol 8 /
Non-iron aluminium sulfate 1.5 1
Sodium Benzoate 4 4
Defoamer 1 1
Ethylene glycol 12 12
Glycerol 20 /
Sterilant 4 3
White glue with vinyl 30 20
Appraisal unit/T 2010 1670
As can be seen from Table 1, material cost of the present invention has reduced again 16.8% than the wet glue of glutinous rice, can be enterprise and creates direct economic benefit.
embodiment 2
A kind of esterification starch modification glutinous rice glue that wets, composition of raw materials: 770 kilograms of deionized waters, 70 kilograms of esterification starch A, 30 kilograms of esterification starch B, 60 kilograms of Sumstar 190s, 60 kilograms of modification waxy corn starch, 8 kilograms of acrylamides, 1.5 kilograms of non-iron aluminium sulfates, 4 kilograms of Sodium Benzoates, 1.5 kilograms of defoamers, 20 kilograms, urea, 10 kilograms of ethylene glycol, 4 kilograms, sterilant, 40 kilograms of white glue with vinyl, as follows preparation:
In reactor, add deionized water, start agitator, add successively four kinds of treated starches, after being uniformly dispersed, add acrylamide and non-iron aluminium sulfate to be warming up to 50 ℃, then add Sodium Benzoate and defoamer to carry out sterilising treatment, continue to be warmed up to 75 ℃ of constant temperature 10 minutes, continue to be warming up to 88 ℃ of reactions 45 minutes, be then cooled to 45 ℃, add urea, ethylene glycol and sterilant to stir 30 minutes, after being uniformly dispersed, add tackifier white glue with vinyl to stir discharging packing after 45 minutes, obtain the wet glue of esterification starch modification glutinous rice.Products production, pack the operation of omnidistance asepticize.
The product that the present embodiment obtains, after testing, 1) low-temperature stability, product is placed in to-35 ℃ of environment, cryogenic freezing 4 hours, after taking-up, room temperature is melted naturally, and colloid outward appearance and adhesive property do not change; 2) more than colloid production viscosity reaches 123800cps; 3) product application, product is watered 100%, normally uses, and being watered rear viscosity is 39200cps.
embodiment 3
A kind of esterification starch modification glutinous rice glue that wets, composition of raw materials: 770 kilograms of deionized waters, 50 kilograms of esterification starch A, 50 kilograms of esterification starch B, 40 kilograms of Sumstar 190s, 40 kilograms of modification waxy corn starch, 7 kilograms of acrylamides, 1.2 kilograms of non-iron aluminium sulfates, 4 kilograms of Sodium Benzoates, 1.2 kilograms of defoamers, 20 kilograms, urea, 10 kilograms of ethylene glycol, 2 kilograms, sterilant, 30 kilograms of white glue with vinyl, as follows preparation:
In reactor, add deionized water, start agitator, add successively four kinds of treated starches, after being uniformly dispersed, add acrylamide and non-iron aluminium sulfate to be warming up to 50 ℃, then add Sodium Benzoate and defoamer to carry out sterilising treatment, continue to be warmed up to 75 ℃ of constant temperature 10 minutes, continue to be warming up to 86 ℃ of reactions 45 minutes, be then cooled to 45 ℃, add urea, ethylene glycol and sterilant to stir 30 minutes, after being uniformly dispersed, add tackifier white glue with vinyl to stir discharging packing after 45 minutes, obtain the wet glue of esterification starch modification glutinous rice.Products production, pack the operation of omnidistance asepticize.
The product that the present embodiment obtains, after testing, 1) low-temperature stability, product is placed in to-35 ℃ of environment, cryogenic freezing 4 hours, after taking-up, room temperature is melted naturally, and colloid outward appearance and adhesive property do not change; 2) more than colloid production viscosity reaches 113000cps; 3) product application, product is watered 100%, normally uses, and being watered rear viscosity is 37000cps.
Above preferred embodiment, just for description and interpretation content of the present invention, does not form the restriction to content of the present invention.Although contriver has done in more detail and has enumerated the present invention, but, the content that those skilled in the art discloses according to summary of the invention part and embodiment, can make various modifications or/and to supplement or adopt similar mode to substitute be obvious to described specific embodiment, and can realize technique effect of the present invention, therefore, repeat no longer one by one herein.The term occurring in the present invention, for to the elaboration of technical solution of the present invention and understanding, is not construed as limiting the invention.

Claims (6)

1. the wet glue of esterification starch modification glutinous rice, is characterized in that mainly being made through gelatinization, crosslinked, complex reaction by the starting material of following weight parts:
76 ~ 77 parts of deionized waters,
5 ~ 7 parts of esterification starch A,
3 ~ 5 parts of esterification starch B,
4 ~ 6 parts of Sumstar 190s,
4 ~ 6 parts of modification waxy corn starch,
0.5 ~ 0.8 part of acrylamide,
0.1 ~ 0.15 part of non-iron aluminium sulfate,
0.4 part of Sodium Benzoate,
0.1 ~ 0.15 part of defoamer,
2 parts, urea,
1 ~ 1.2 part of ethylene glycol,
0.2 ~ 0.4 part, sterilant,
2 ~ 4 parts of white glue with vinyl,
Described esterification starch A is wheat esterification starch,
Described esterification starch B is cassava esterification starch.
2. the wet glue of a kind of esterification starch modification glutinous rice as claimed in claim 1, is characterized in that, described defoamer is selected defoamer GPE.
3. the wet glue of a kind of esterification starch modification glutinous rice as claimed in claim 1, is characterized in that, described sterilant is FF-02 sterilant.
4. the wet glue of a kind of esterification starch modification glutinous rice as claimed in claim 1, is characterized in that, described urea and ethylene glycol are pressed 2:1 proportioning.
5. the preparation method of the wet glue of a kind of esterification starch modification glutinous rice as described in one of claim 1-4, is characterized in that comprising:
In reactor, add deionized water, start agitator, add successively four kinds of treated starches, after being uniformly dispersed, add acrylamide and non-iron aluminium sulfate to be warming up to 50 ℃, then add Sodium Benzoate and defoamer to carry out sterilising treatment, continue to be warmed up to 75 ℃ of constant temperature 10 minutes, continue to be warming up to 85 ~ 88 ℃ of reactions 45 minutes, be then cooled to 45 ℃, add urea, ethylene glycol and sterilant to stir 30 minutes, after being uniformly dispersed, add tackifier white glue with vinyl to stir discharging packing after 45 minutes, obtain the wet glue of esterification starch modification glutinous rice.
6. the preparation method of the wet glue of a kind of esterification starch modification glutinous rice as claimed in claim 5, is characterized in that, production, the packing of the described wet glue product of esterification starch modification glutinous rice are asepticize operation.
CN201210150194.4A 2012-05-16 2012-05-16 Esterified-starch-modified waxy corn wet glue and preparation method thereof Active CN102757745B (en)

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Denomination of invention: A Kind of Esterified Starch Modified Glutinous Rice Wet Adhesive and Its Preparation Method

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