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Asepsis environment-protecting polycinyl chloride bottle cap sealant and method for preparing same

A polyvinyl chloride, non-toxic and environmentally friendly technology, used in chemical instruments and methods, adhesives, other chemical processes, etc., can solve the problems of high production cost of liquid sealants and expensive plasticizers, and achieve increased dosage and sealing effect. Good, reduce the effect of production cost

Inactive Publication Date: 2009-01-07
贵州省复合改性聚合物材料工程技术研究中心 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In Chinese patent 200710021637.9, cyclohexane-1,2-diisononyl dicarboxylate (DINCH) is used in conjunction with LGFLEX EBN plasticizer from LG Chem Co., Ltd. of South Korea to prepare a liquid sealant. Plastics are expensive, leading to high production costs for liquid sealants

Method used

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  • Asepsis environment-protecting polycinyl chloride bottle cap sealant and method for preparing same
  • Asepsis environment-protecting polycinyl chloride bottle cap sealant and method for preparing same
  • Asepsis environment-protecting polycinyl chloride bottle cap sealant and method for preparing same

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Comparison scheme
Effect test

Embodiment 1

[0023] Embodiment 1: Raw materials: polyvinyl chloride paste resin 100g (polymerization degree 1250), dioctyl terephthalate 45g, acetyl tributyl citrate 25g, heavy calcium carbonate 20g (particle size 1250 orders), calcium-zinc stable Agent 2.5g, white foaming agent: sodium bicarbonate 1.2g, titanium dioxide 0.8g, simethicone oil 0.6g (viscosity: 50mpa s), rapeseed oil 2.9g

[0024] Preparation method: First, dry heavy calcium carbonate, calcium-zinc stabilizer, white foaming agent and titanium dioxide in an environment of 40°C for 2.5 hours, and mix dioctyl terephthalate and acetyl tributyl citrate Uniformly used as a plasticizer, divided into three parts according to 30%, 50% and 20% of the total plasticizer, take 30% of the plasticizer, stir for 1 minute at a speed of 230 rpm, and then stir at a speed of 140 rpm Minute speed, while stirring, add white foaming agent, titanium dioxide, calcium-zinc stabilizer, heavy calcium carbonate, then stir at 860 rpm for 20min, at 140 rp...

Embodiment 2

[0032] Embodiment 2: raw material: polyvinyl chloride paste resin 90g (polymerization degree 1200), dioctyl terephthalate 50g, acetyl tributyl citrate 30g, heavy calcium carbonate 15g (particle size 1250 orders), calcium-zinc stable 3g agent, 1.2g white foaming agent, 0.6g titanium dioxide, 0.5g simethicone oil (viscosity: 50mpa·s) and 2.5g rapeseed oil

[0033]Preparation method: First, dry heavy calcium carbonate, calcium-zinc stabilizer, white foaming agent and titanium dioxide in an environment of 40°C for 3 hours, and mix dioctyl terephthalate and acetyl tributyl citrate Uniformly used as a plasticizer, divided into three parts according to 30%, 40% and 30% of the total plasticizer, take 30% of the plasticizer, stir at a speed of 250 rpm for 0.5 minutes, and then stir at a speed of 120 rpm Minute speed, while stirring, add white foaming agent, titanium dioxide, calcium-zinc stabilizer, heavy calcium carbonate, then stir at a speed of 900 rpm for 15 minutes, at a speed of ...

Embodiment 3

[0034] Embodiment 3: Raw materials: polyvinyl chloride paste resin 110g (polymerization degree 1200), dioctyl terephthalate 40g, acetyl tributyl citrate 20g, heavy calcium carbonate 25g (particle size 1250 orders), calcium-zinc stable Agent 2g, white foaming agent 1g, titanium dioxide 1g, simethicone 0.8g (viscosity: 50mpa·s) and rapeseed oil 3.5g

[0035] Preparation method: First, dry heavy calcium carbonate, calcium-zinc stabilizer, white foaming agent and titanium dioxide in an environment of 40°C for 4 hours, and mix dioctyl terephthalate and acetyl tributyl citrate Uniformly used as a plasticizer, divided into three parts by 20%, 60% and 20% of the total amount of plasticizer, get 20% plasticizer, stir at 200 rpm for 1.5 minutes, then stir at 160 rpm Minute speed, while stirring, add white foaming agent, titanium dioxide, calcium-zinc stabilizer, heavy calcium carbonate, then stir at 800 rpm for 25 minutes, at 160 rpm, while stirring Add polyvinyl chloride paste resin, ...

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Abstract

The invention discloses a nontoxic environment protection polyvinyl chloride sealing gel and a preparation method thereof. The gel is made of pvc paste resin, dioctyl phthalate, acetyl tri-n-butyl citrate, heavy calcium carbonate, calcium-zinc stabilizer, white foaming agent, titanium dioxide, dimethicone and rapeseed oil. Phthalic ester plasticizer is not comprised. The gel meets the requirements of the food safety, and corresponds with the RoHS instruction. The gel is a foot and environmental friendly sealing gel. The using amount of fillings is added. The production cost is lowered. The nontoxic and environmental friendly sealing gel has the advantages of low price, high temperature resistance, good sealing effect and convenient engagement.

Description

technical field [0001] The invention relates to a bottle cap sealant, in particular to a non-toxic and environment-friendly polyvinyl chloride bottle cap sealant and a preparation method thereof. Background technique [0002] Bottle cap sealant is indispensable for sealing various bottled products, but its production is currently controlled by a few companies, and the materials and manufacturing methods are kept secret, which almost controls the lifeblood of the industry's development. With the continuous development of science and technology, the requirements for PVC bottle cap sealants are getting higher and higher all over the world, not only requiring good sealing performance, but also requiring no pollution to food and the environment. However, the use of phthalates (such as DEHP) plasticizers used in traditional polyvinyl chloride bottle cap sealants has been proven to have certain damage to the human liver, and its use is limited. Therefore, seeking materials to repl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J127/06C09K3/10
Inventor 徐国敏吉玉碧罗恒张敏敏杨鸿波谭红张继东陆洋胡智杨二钘陈兴江谢锋郭建兵张凯舟朱建华
Owner 贵州省复合改性聚合物材料工程技术研究中心
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