Transparent rubber modified thenylethylene resin composition

A styrene-based resin and rubber modification technology, which is applied in the field of transparent rubber-modified styrene-based resin compositions, can solve the problems that the impact strength cannot fully meet people's requirements, and achieve good chemical resistance and good balance of physical properties Effect

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

The resin prepared by this method has better transparency, but the impact strength cannot fully meet people's requirements

Method used

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  • Transparent rubber modified thenylethylene resin composition
  • Transparent rubber modified thenylethylene resin composition
  • Transparent rubber modified thenylethylene resin composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] Preparation of core layer copolymer

[0057] 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.

[0058] Preparation of rubbery copolymers

[0059] Inject 200 parts by weight of deionized water into a 1000ml three-necked bottle, then sequentially add 0.4 parts by weight of sodium pyrophosphate, 0.6 parts by weight of glucose...

Embodiment 2

[0067] Preparation of core layer copolymer

[0068] In the same manner as used in Example 1, a core layer copolymer was obtained.

[0069] Preparation of rubbery copolymers

[0070] Inject 200 parts by weight of deionized water into a 1000ml three-necked bottle, then sequentially add 0.4 parts by weight of sodium pyrophosphate, 0.6 parts by weight of glucose and 0.01 parts by weight of ferrous sulfate, and after fully dissolving, add 0.05 parts by weight of potassium hydroxide to disproportionate abietic acid 3 parts by weight of potassium and 129 parts by weight of the core layer copolymer latex. Put the three-necked bottle into a constant temperature water bath and keep the temperature to 70°C. At the same time, feed nitrogen into the three-necked bottle and stir for 10 minutes to eliminate the polymerization inhibition factor of oxygen in the system.

[0071] Weigh 18 parts by weight of styrene monomer, 0.20 part by weight of cumene hydroperoxide, and 0.05 part by weight o...

Embodiment 3

[0078] Preparation of core layer copolymer

[0079] In the same manner as used in Example 1, a core layer copolymer was obtained.

[0080] Preparation of rubbery copolymers

[0081] Inject 200 parts by weight of deionized water into a 1000ml three-necked bottle, then sequentially add 0.4 parts by weight of sodium pyrophosphate, 0.6 parts by weight of glucose and 0.01 parts by weight of ferrous sulfate, and after fully dissolving, add 0.05 parts by weight of potassium hydroxide to disproportionate abietic acid 3 parts by weight of potassium and 149 parts by weight of the core layer copolymer latex. Put the three-necked bottle into a constant temperature water bath and keep the temperature to 70°C. At the same time, feed nitrogen into the three-necked bottle and stir for 10 minutes to eliminate the polymerization inhibition factor of oxygen in the system.

[0082] Weigh 10 parts by weight of styrene monomer, 0.10 part by weight of cumene hydroperoxide, and 0.05 part by weight o...

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Abstract

The invention discloses a rubber particle discontinuous phase and transparent rubber modified styrene resin compound, which is characterized by the following: forming rubber particle discontinuous phase with rubber copolymer; comprising 10-50 rubber particle discontinuous phase and 90-50 wt base blending copolymer; setting the rubber particle discontinuous phase as 20-80 wt core layer copolymer and 80-20 wt shell layer copolymer; setting the core layer copolymer as 5-50 wt styrene monomer and 95-50 wt diene monomer; setting the shell layer copolymer as 10-70 wt styrene monomer and 90-30 wt (metyl group) acrylic ester monomer; setting the base blending copolymer as 20-80 wt polymethyl methacryate resin and 80-20 wt styrene-acrylonitrile copolymer resin; setting the grain diameter of the core layer copolymer at 100-1000nm. This product possesses good transparency, shockproof property and chemical medicine resistance property.

Description

technical field [0001] The invention relates to a transparent rubber-modified styrene-based resin composition composed of a rubber particle dispersed phase formed of a rubber-like copolymer and a continuous phase formed of a matrix blended copolymer. Background technique [0002] In recent years, the demand for transparent resins has been increasing. Commonly used transparent resins include polystyrene resins, polycarbonate resins, polymethyl methacrylate resins, polystyrene-acrylonitrile resins, and the like. Although polycarbonate resin has good transparency and impact resistance, it is not scratch-resistant, prone to stress cracking, poor processability and expensive; polymethyl methacrylate resin is widely used as optical materials, but its resistance Poor impact and chemical resistance; polystyrene resin and polystyrene-acrylonitrile resin have poor impact resistance. The disadvantages of these transparent resins limit their application in some fields. [0003] Curren...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L25/08C08L25/14C08L25/10C08L33/12
Inventor 张明耀刘立红任亮徐弘郐羽马卓高延成刘长清盛光胡慧林李金鹰张春英
Owner BC P INC CHINA NAT PETROLEUM CORP
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