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O-hydroxybenzophenone composite environmentally-friendly stabilizer for PVC, and preparation method thereof

A technology of o-hydroxybenzophenone and environmental stabilizer, which is applied in the field of o-hydroxybenzophenone composite environmental stabilizer for PVC and its preparation field, can solve the problem of affecting the performance of PVC products, not very ideal stain resistance, reducing mechanical Performance and other issues, to achieve the effect of reducing water absorption, long life, and improving electrical performance

Inactive Publication Date: 2017-03-29
祖兴保
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the stain resistance of PVC interior decoration materials on the market is not very ideal and needs to be further improved, and PVC has a very important defect, that is, it is easy to decompose and generate HCl gas during thermal processing, and autocatalysis leads to severe degradation of PVC, which affects Various properties of PVC products, such as discoloring PVC products or reducing their mechanical properties, etc.

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] The o-hydroxybenzophenone composite environment-friendly stabilizer for PVC and its preparation method are characterized in that it is prepared from the following component raw materials in parts by weight: calcium fluoride 20-30, barium naphthenate 10-12, poly Phenyl sulfide 6-9, triphenyl phosphite 1-3, zinc stearate 3-6, stearic acid 2-4, absolute ethanol 2-4, polyvinylidene fluoride 20-24, chitosan 5 -6, o-hydroxybenzophenone 2-3, nano kaolin 10-15.

[0014] The preparation method of the o-hydroxybenzophenone composite environment-friendly stabilizer for PVC and its preparation method is characterized in that it comprises the following steps:

[0015] (1) First, take micro-calcium fluoride and nano-kaolin and calcinate them at 700-800°C for 1-2 hours, take them out, crush them, pass through a 60-100 mesh sieve, and then add deionized powder 9-12 times the quality of nano-kaolin In water, stir evenly at 60-70°C, soak for 8-12 hours, centrifuge at 1700-2300r / min for ...

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Abstract

The invention discloses an o-hydroxybenzophenone composite environmentally-friendly stabilizer for PVC, and a preparation method thereof. The stabilizer is prepared from, by weight, 20-30 parts of calcium fluoride, 10-12 parts of barium naphthenate, 6-9 parts of polyphenylene sulfide, 1-3 parts of triphenyl phosphite, 3-6 parts of zinc stearate, 2-4 parts of stearic acid, 2-4 parts of anhydrous ethanol, 20-24 parts of polyvinylidene fluoride, 5-6 parts of chitosan, 2-3 parts of o-hydroxybenzophenone and 10-15 parts of nano-kaolin. The stabilizer is added to greatly reduce the water absorption property of raw materials, and products can be used in wet or soaking environment, so the stability of electrical performances is improved, and the products have good softness and tensile strength, are waterproof and durable, and have long life.

Description

technical field [0001] The invention relates to the field of PVC additives, in particular to an o-hydroxybenzophenone composite environmental-friendly stabilizer for PVC and a preparation method thereof. Background technique [0002] PVC is polyvinyl chloride, which is one of the most widely used plastic varieties. It has been widely used in pipe profiles, architectural furniture, interior decoration, sports equipment, medical materials and other fields. However, PVC products generally have the defects of poor mechanical properties, low light and thermal stability, and with the enhancement of people's awareness of environmental protection and the improvement of indoor environment requirements, it is becoming more and more difficult for current PVC materials to meet market demand, which limits its use. Applications in the field of interior decoration. Therefore, improving the comprehensive performance of PVC materials and enhancing the added value of PVC materials is the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08L27/16C08L81/02C08L5/08C08K13/02C08K3/16C08K5/098C08K5/526C08K5/09C08K3/34C08K5/132
CPCC08L27/16C08K2201/011C08K2201/014C08L27/06C08L2201/08C08L2205/03C08L2205/035C08L81/02C08L5/08C08K13/02C08K2003/162C08K5/098C08K5/526C08K5/09C08K3/346C08K5/132
Inventor 祖兴保
Owner 祖兴保