A kind of low VOC polypropylene resin composition and preparation method thereof

A technology of polypropylene resin and composition, which is applied in the field of polypropylene resin composition with low VOC content and its preparation, can solve problems such as compatibility and durability, and achieve delayed release, reduced release content, and reduced TVOC Effect

Active Publication Date: 2015-11-25
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Chinese patent (CN101255252A) reduces the VOC of the material by adding an organic repellant such as isopropanol / water, but this method has compatibility and persistence problems
For example, Chinese patents (CN1727389A, CN1727390A) disclose the use of fine-pore silica gel and molecular sieves as adsorbents to reduce the odor of materials and the volatilization of organic compounds. The products prepared by this method can play a certain role, but there is a problem of adsorption balance. , at a higher temperature, the equilibrium moves to the direction of desorption, and there is a hidden danger of re-release of VOC in the later stage of polypropylene material

Method used

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  • A kind of low VOC polypropylene resin composition and preparation method thereof
  • A kind of low VOC polypropylene resin composition and preparation method thereof

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Experimental program
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Effect test

Embodiment 1~9

[0035] Zeolite powder and pseudo-boehmite pretreatment: zeolite powder (Le zeolite powder, BET specific surface area 200~300m 2 / gr, average pore diameter 1.2nm, fineness 2000 mesh, Zhejiang Ninghai Jiahe Chemical Co., Ltd.) was roasted in a muffle furnace at 450°C for 2 hours; pseudo-boehmite (BET specific surface area 279m 2 / gr, average pore size 12nm, Shandong Aluminum Industry Group Co., Ltd.) dried in a vacuum oven at 120°C for 2 hours.

[0036] Copolymerized polypropylene (K9020, Sinopec Beijing Yanshan Branch), fully vulcanized powder silicone rubber (brand VP-602, average particle size 0.1 μm, gel content 90wt%; Beijing Research Institute of Chemical Industry), acid absorbing agent (stearin Calcium acid, Tianjin Gangchang Chemical Co., Ltd.), antioxidant (antioxidant 1010, belongs to hindered phenolic antioxidant, chemical name tetrakis [β-(3,5-di-tert-butyl-4-hydroxybenzene Base) propionic acid] pentaerythritol ester, and antioxidant 168, belong to phosphate antioxi...

Embodiment 10~18

[0044] Homopolypropylene (K1712, Sinopec Beijing Yanshan Branch), fully vulcanized powder silicone rubber (brand VP-602, average particle size 0.1 μm, gel content 90wt%; Beijing Research Institute of Chemical Industry), zeolite powder (Le zeolite Powder, BET specific surface area 200~300m 2 / gr, average pore size 1.2nm, pore fineness 2000 mesh, Zhejiang Ninghai Jiahe Chemical Co., Ltd.), pseudo-boehmite (BET specific surface area 279m 2 / gr, average pore size 12nm, Shandong Aluminum Group Corporation), acid absorbing agent (calcium stearate, Tianjin Gangchang Chemical Co., Ltd.), antioxidant (antioxidant 1010, belongs to hindered phenolic antioxidant, The chemical name is tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol ester, and antioxidant 168, which belongs to phosphate antioxidants, the chemical name is three (2, 4-di-tert-butylphenol) phosphite, the weight ratio of antioxidant 1010 and antioxidant 168 is 1:2, both come from German BASF company)...

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Abstract

The invention relates to a low VOC polypropylene resin composition and a preparation method thereof. The low VOC polypropylene resin composition comprises the following co-mixed ingredients: 100 parts by weight of polypropylene, 0.1-5 parts by weight of a VOC inhibitor, and 0.05-1 part by weight of an acid-absorbing agent. The VOC inhibitor comprises the following ingredients by the weight percentage based on the total weight of the VOC inhibitor: 30%-70% of a fully vulcanized powder silicon rubber, 10%-65% of a zeolite powder, and 5%-40% of pseudo-boehmite. The average particle size of rubber particles of the fully vulcanized powder silicon rubber is 0.05-1 [mu]m, the fully vulcanized powder silicon rubber has a cross-linking structure, and the gel content is 60 wt% or higher. The VOC polypropylene resin composition is simple in operation process, and is applicable to the fields of high-class automotive interior trim parts, medical and food package materials and the like with higher requirements on environmental protection.

Description

technical field [0001] The present invention relates to a polypropylene resin composition, more specifically, to a polypropylene resin composition with low VOC content and a preparation method thereof. Background technique [0002] Polypropylene (PP) has been widely used in various fields of people's life because of its excellent comprehensive properties, wide range of sources, high quality and low price. However, the existing polypropylene materials and products have the problems of releasing volatile organic compounds (VOC) to varying degrees to pollute the environment and endanger people's health, which largely limits the use of polypropylene materials in high-end cars with high environmental protection requirements. Applications in fields such as decorative parts, medical and food packaging materials. Therefore, the research and development of environmentally friendly low-VOC polypropylene resin and materials can expand the application field of PP and meet the requireme...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/10C08L83/04C08K13/02C08K3/34C08K3/22C08K5/101C08K5/098
CPCC08K2201/003C08K2201/006C08L23/12C08L23/14C08L2201/14C08L83/04C08K13/06C08K9/00C08K3/34C08K2003/2227C08K5/098
Inventor 康鹏金滟蔡涛丁树岩石胜鹏刘善元张静
Owner CHINA PETROLEUM & CHEM CORP
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