CN1031717C - Synergistic pasty material for rotationally moulding polyvinyl chloride - Google Patents
Synergistic pasty material for rotationally moulding polyvinyl chloride Download PDFInfo
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- CN1031717C CN1031717C CN 92104726 CN92104726A CN1031717C CN 1031717 C CN1031717 C CN 1031717C CN 92104726 CN92104726 CN 92104726 CN 92104726 A CN92104726 A CN 92104726A CN 1031717 C CN1031717 C CN 1031717C
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- polyvinyl chloride
- pvc
- synergistic
- resin
- powder
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Abstract
The present invention relates to ingredients and a process technology of polyvinyl chloride (PVC) resin, particularly to the preparation of a synergistic pasty PVC material, which is used for producing slush-molded products, such as toys, etc., by rotational moulding. PVC resin made by a homopolymerization or copolymerization emulsion method and having a polymerization degree of 800 to 2000 is used as characteristic resin, and phthalic esters, dibasic acid esters of a fatty group, or epoxy esters are used as a plasticiser; calcium carbonate, talcum powder or wollastonite powder is used as filler, the metallic soap of calcium stearate or zinc stearate is used as a stabilizer, and a certain amount of titanium white powder or titanium green pigments is added. Thus, the prepared synergistic pasty PVC material has the advantages of low thixotropy, good fluidity, stable viscosity, no odour and poison, and favorable degasifying and demoulding capacities.
Description
The present invention relates to the batching and the processing technology of polyvinyl chloride (PVC) RESINS, the particularly preparation of polyvinyl chloride plastisol material and be applicable to slush moulding goods such as rotoforming processing toy.
The present invention provides a kind of rotoforming polyvinyl chloride plastisol material.Still there is not this kind product on the market.
The present invention adopts rational hybrid technique and technology to obtain high-quality rotoforming plasticising thickener.Polyvinyl chloride of the present invention (PVC) plasticising thickener thixotropy is little, good fluidity, and stable viscosity, tasteless nontoxic, degassing property and release property are preferably arranged.
The present invention selects for use the polyvinyl chloride (PVC) RESINS of homopolymerization or the preparation of copolymer emulsion method as characteristic resin, phthalate, aliphatic dibasic acid ester or epoxy ester series are as softening agent, lime carbonate, talcum powder or ash silex powder etc. are as filler, organic zinc, calcium are as stablizer, add necessary pigment such as titanium dioxide or titanium green class again, each several part weight consists of:
100 parts of polyvinyl chloride (PVC) RESINS
40～100 parts in softening agent
5～40 parts of fillers
5～10 parts of stablizers
5～20 parts of pigment
The used PVC resin polymerization degree of the present invention is advisable 800～2000, and the control particle diameter is between 0.1～3 μ m, and wherein Zui You selection is 0.5～1.5 μ m, can obtain lower paste viscosity like this.Softening agent is the main dispersing medium of plasticising thickener, and it is the key of decision plastipaste material flowability, temperature profile, smell and viscosity, can select phthalate, aliphatic dibasic acid ester or epoxy ester series for use.Selected softening agent should satisfy mixed fully mutually with resin and processing overall target performance will be got well, and particularly sanitary index meets the requirements.Phthalate can be Methyl Benzene-o-dicarboxylate or diisononyl phthalate; Epoxy ester series can be epoxy soybean oil and epoxy cotton seed oil.Each can use separately in the three types above-mentioned ester class, also can two or three mixing use.Softening agent is reduced to 50PHR and is still kept low viscosity and good flowability.
The filler that the present invention uses is the characteristic and the flowability of improving thickener from thickener, consider to select for use the technical indicators such as viscosity, oil number and surfactivity of raw material, usually use lime carbonate, talcum powder or ash silex powder etc., they can use separately or use with, and the adding of filler can reduce the cost of finished product.
In the thickener course of processing, make resin take place to decompose and produce with hydrogen chloride gas owing to heating up, the goods variable color can be caused, so stablizer will be added.The present invention uses aliphatics organic zinc (Zinic stearas) or organic calcium as stablizer, because the adding of metallic soap has improved the heat-resisting quality of filling a prescription greatly.
It is for obtaining articles colored and necessary opacifying power, making the mill base adding and get final product that the present invention selects titanium dioxide or titanium hemicyanine paint for use.
The rotoforming polyvinyl chloride paste thixotropy that the present invention makes is little, good fluidity, and stable viscosity, Type B viscosity is less than 5000 * 10
-3Pa.8, tasteless nontoxic, the fabulous degassing and knockout press are arranged, knockout press is less than 29.4～49 newton, its finished product good appearance, physical and chemical indexes and sanitary index all reach country and international standard.
The substantive distinguishing features that the present invention gives prominence to can be embodied from following embodiment.
Embodiment:
Take by weighing the polymerization degree by weight and be 100 parts of 1500 equal polyvinyl chloride (PVC) RESINS, 70 parts of plasticizer phthalic acid dinonyls, 20 parts of filler talcum powder, 7 parts of calcium stearate metal soap stabilisers, 10 parts of titanium dioxide tinting materials drop into thorough mixing in Hobart (HOBAT) mixing tank respectively with above-mentioned raw materials, and controlled temperature is in 10～40 ℃ of scopes, can make PVC plasticising thickener, Type B viscosity is less than 5000 * 10 after measured
-3Pa.8, knockout press 49 newton (prescription is 98 newton usually), every physical and chemical indexes of its finished product (as toy for children) and sanitary index all meet international standards.
Claims (2)
1. rotoforming polyvinyl chloride plastisol material that is used to make toy, wherein contain homopolymerization or copolymer emulsion polyvinyl chloride (PVC) RESINS, softening agent, filler, organic calcium stablizer and tinting pigment, it is characterized in that adopting diisononyl phthalate as softening agent, the parts by weight of each component are:
Polyvinyl chloride (PVC) RESINS 100
Diisononyl phthalate softening agent 70
Talcum powder powder 20
Calcium stearate 7
Titanium dioxide 10
2. according to the described polyvinyl chloride plastisol material of claim 1, it is characterized in that polyvinyl chloride resin particle is straight through between 0.5～1.5 μ m, the polymerization degree 1500.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92104726 CN1031717C (en) | 1992-06-16 | 1992-06-16 | Synergistic pasty material for rotationally moulding polyvinyl chloride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92104726 CN1031717C (en) | 1992-06-16 | 1992-06-16 | Synergistic pasty material for rotationally moulding polyvinyl chloride |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1067062A CN1067062A (en) | 1992-12-16 |
| CN1031717C true CN1031717C (en) | 1996-05-01 |
Family
ID=4940955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92104726 Expired - Fee Related CN1031717C (en) | 1992-06-16 | 1992-06-16 | Synergistic pasty material for rotationally moulding polyvinyl chloride |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1031717C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003029339A1 (en) * | 2001-09-25 | 2003-04-10 | Exxonmobil Chemical Patents Inc. | Plasticised polyvinyl chloride |
| CN102634140A (en) * | 2012-05-04 | 2012-08-15 | 浦江县金太郎玩具有限公司 | Vinyl for manufacturing toy and preparation method of vinyl |
| CN103524915A (en) * | 2012-07-03 | 2014-01-22 | 酒泉荣泰橡胶制品有限公司 | Core paste material for whole-core flame-retardant conveying belt and preparation method thereof |
| CN103978589A (en) * | 2014-05-31 | 2014-08-13 | 奉化市骏兴玩具有限公司 | Novel vinyl hawk figurine die and production process thereof |
| CN103978595A (en) * | 2014-05-31 | 2014-08-13 | 奉化市骏兴玩具有限公司 | Process for producing vinyl toys |
| CN105315569A (en) * | 2014-06-13 | 2016-02-10 | 北京矿冶研究总院 | Material and method for manufacturing isostatic pressing rubber sleeve |
-
1992
- 1992-06-16 CN CN 92104726 patent/CN1031717C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1067062A (en) | 1992-12-16 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |