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Toughness reinforcing phenylethylene resin composition of transparent rubber and method for preparing the same

A resin composition and a technology for toughening styrene, which are used in the field of preparation of transparent rubber toughened styrene resin compositions

Active Publication Date: 2008-02-27
BC P INC CHINA NAT PETROLEUM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

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Method used

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  • Toughness reinforcing phenylethylene resin composition of transparent rubber and method for preparing the same
  • Toughness reinforcing phenylethylene resin composition of transparent rubber and method for preparing the same
  • Toughness reinforcing phenylethylene resin composition of transparent rubber and method for preparing the same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0068] Preparation of core layer copolymer

[0069] Weigh 307 parts by weight of emulsifier, 1 part by weight of molecular weight modifier, 36 parts by weight of initiator solution, and 100 parts by weight of styrene monomer in a reactor, seal the reactor and add 400 parts by weight of butadiene monomer. The reaction kettle was placed in a rotary constant temperature water bath and the temperature was raised to 65°C. After 14 hours of reaction, the temperature was raised to 69°C, and the reaction was carried out for 8 hours. Then the temperature was raised to 71°C, and the reaction was continued for 4 hours. After the reaction is complete, lower the temperature and add 1 part by weight of a terminator, and discharge to obtain a core layer copolymer.

[0070] Preparation of rubbery copolymers

[0071] Inject 200 parts by weight of deionized water into a 1000ml three-necked bottle, then add 0.4 parts by weight of sodium pyrophosphate, 0.6 parts by weight of glucose and 0.01 par...

Embodiment 2

[0080] Preparation of the core layer copolymer, the components are shown in Table 1, and the same method as in Example 1 was used to obtain the core layer copolymer.

[0081] Preparation of rubber-like copolymer, the components are shown in Table 1, and the same method as in Example 1 was used to obtain the rubber-like copolymer.

[0082] Synthesis of the continuous phase of the copolymer

[0083] Take by weighing 494 parts by weight of deionized water, 3 parts by weight of hydroxymethylcellulose, and 0.1 parts by weight of sodium laurylsulfonate to prepare a suspending agent solution; 3 parts by weight of liquid paraffin, 3 parts by weight of trinonylphenyl sulfite 3 parts by weight of n-butyl mercaptan to prepare an additive solution; 7 parts by weight of 2,2'-azo-bis-2-methylbutyronitrile and 50 parts by weight of styrene monomer to prepare an initiator solution.

[0084] Add 5232 parts by weight of deionized water into the reactor, then add the prepared suspending agent s...

Embodiment 3

[0088] Preparation of the core layer copolymer, the components are shown in Table 1, and the same method as in Example 1 was used to obtain the core layer copolymer.

[0089] Preparation of rubber-like copolymer, the components are shown in Table 1, and the same method as in Example 1 was used to obtain the rubber-like copolymer.

[0090] Synthesis of the continuous phase of the copolymer

[0091] Take by weighing 494 parts by weight of deionized water, 9 parts by weight of hydroxypropyl cellulose, and 0.2 parts by weight of sodium lauryl sulfate to prepare a suspending agent solution; 300 parts by weight of styrene monomer, 6 parts by weight of liquid paraffin, trinonyl substitute 6 parts by weight of phenyl sulfite, 6 parts by weight of n-tetradecyl mercaptan to prepare an additive solution; 11 parts by weight of tert-butyl peroxyisopropyl carbonate and 100 parts by weight of styrene monomer to prepare an initiator solution.

[0092] Add 5232 parts by weight of deionized wa...

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Abstract

The invention discloses a preparing method of rubber toughening styrene transparent pitch compound, which is characterized by the following: forming rubber particle discontinuous phase with 50-90 wt copolymer continuous phase and 50-10 wt rubber-like polymer; mixing; getting the product; setting the rubber particle discontinuous phase as 20-80 wt core layer copolymer and 80-20 wt shell layer copolymer; proceeding suspension polymerization with 30-60 wt styrene monomer, 20-60 wt (metyl group) acrylic ester monomer, 5-30 wt acrylic nitrile or methacrylonitrile monomer; getting the copolymer continuous phase. This pitch possesses better transparency, shockproof property and chemical medicine resistance property.

Description

technical field [0001] The present invention relates to a transparent rubber compound composed of a continuous phase of a copolymer and a dispersed phase of rubber particles formed by a rubber-like copolymer, which has good chemical resistance, stress crack resistance, transparency and impact resistance and a good balance of physical properties. A preparation method of a tough styrenic resin composition. Background technique [0002] Currently, the demand for transparent materials is increasing day by day. They are widely used in various fields. Such as food containers, protective screens for the production of large-screen color TVs, electrical casings, transparent interiors for refrigerators, and transparent packaging materials. However, since general rubber-toughened styrene-based resins are opaque, they cannot be used in the above-mentioned fields, and their impact resistance is not very satisfactory. [0003] The reason why the light transmittance decreases due to the...

Claims

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Application Information

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IPC IPC(8): C08L25/08C08F212/08C08F2/18C08F2/38C08L101/00
Inventor 王硕刘立红张明耀谭春伟任亮李晶徐弘郐羽
Owner BC P INC CHINA NAT PETROLEUM CORP
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