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Weather-resistant high impact polystyrene material and preparation method thereof

A polystyrene and polystyrene resin technology, applied in the field of modification and preparation of high-impact polystyrene materials, can solve the problem of affecting the service life of high-impact polystyrene materials and the gloss of high-impact polystyrene materials Reduced strength, toughness, hardness, rigid mechanical properties and other problems, to achieve the effect of maintaining color, strengthening mechanical properties, and avoiding yellowing of color

Inactive Publication Date: 2011-07-06
GUANGDONG ALDEX NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Under long-term exposure to ultraviolet light, the gloss of high-impact polystyrene materials decreases significantly, and its color yellowing is very serious, and its mechanical properties such as toughness, hardness, and rigidity are greatly reduced, which greatly affects high-impact polystyrene materials. The actual service life of polystyrene materials restricts its application in engineering

Method used

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  • Weather-resistant high impact polystyrene material and preparation method thereof

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preparation example Construction

[0020] And the preparation method of this weather-resistant high-impact polystyrene material consists of the following steps:

[0021] a: Weigh the raw materials according to the above ratio for later use;

[0022] b: Add anti-ultraviolet radiation agent, toughening agent, antioxidant and processing aid to high-impact polystyrene resin, and dry at 60-70°C for 1.5-3 hours;

[0023] c: dry mix the mixture obtained in step b in a high-speed mixer at room temperature for 20-30 minutes;

[0024] d: Put the mixture obtained in step c into an extruder, extrude and granulate at a temperature of 170-230°C.

[0025] Through the modification of high-impact polystyrene resin, its weather resistance is improved, tested in UVB (280nm-315nm fluorescent ultraviolet lamp, irradiation intensity: 0.55W / m 2 , 120 hours), the high-impact polystyrene resin product of the present invention does not change color significantly, and the product color difference (ΔE) is less than 3.0.

Embodiment 1

[0028] The weather-resistant high-impact polystyrene material of the present invention includes high-impact polystyrene resin, titanium dioxide, SBS, SEBS, ABS high rubber powder, butadiene rubber, acrylate elastomer, antioxidant 1010, antioxidant 168 , Antioxidant 1076, Antioxidant 1098, Antioxidant DLTP, Antioxidant DLSP, Stearate, EBS, PETS, Low Molecular Polyethylene and Oxidized Polyethylene. The above ingredients are calculated according to the mass fraction: 100 parts of high impact polystyrene resin; 0.1 part of titanium dioxide; 3 parts of SBS; 3 parts of SEBS; 3 parts of ABS high rubber powder; 3 parts of butadiene rubber; 0.2 part of antioxidant 1010; 0.2 part of antioxidant 168; 0.2 part of antioxidant 1076; 0.2 part of antioxidant 1098; 0.1 part of antioxidant DLTP; 0.1 part of antioxidant DLSP; stearate 0.4 parts; EBS 0.4 parts; PETS 0.4 parts; low molecular weight polyethylene 0.4 parts; oxidized polyethylene 0.4 parts. The preparation method of the weather-res...

Embodiment 2

[0035] The weather-resistant high-impact polystyrene material of the present invention includes high-impact polystyrene resin, general-purpose polystyrene, titanium dioxide, hindered amine light stabilizers, benzophenone polymers, and benzotriazole polymers , Salicylate polymer, SBS, SEBS, ABS high rubber powder, butadiene rubber, acrylic elastomer, antioxidant 1010 and stearate. The above ingredients are calculated by mass fraction: 80 parts of high-impact polystyrene resin; 20 parts of general-purpose polystyrene; 2 parts of titanium dioxide; 2 parts of hindered amine light stabilizer; 2 parts of benzophenone polymer; 2 parts of benzotriazole polymer; 2 parts of salicylate polymer; 0.2 part of SBS; 0.2 part of SEBS; 0.2 part of ABS high rubber powder; 0.2 part of butadiene rubber; 0.2 part of acrylate elastomer; Agent 1010 0.1 part; stearate 0.1 part. The preparation method of the weather-resistant high-impact polystyrene material consists of the following steps:

[0036] ...

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Abstract

The invention discloses a weather-resistant high impact polystyrene material, which is characterized by comprising high impact polystyrene resin, an anti-ultraviolet agent, a toughener, an antioxidant, and a processing aid, and comprising the following components in part by mass: 80 to 100 parts of high impact polystyrene resin, 0 to 20 parts of general purpose polystyrene, 0.1 to 10 parts of light stabilizer, 1 to 15 parts of toughener, 0.1 to 1 part of antioxidant and 0.1 to 2 parts of processing aid. The weather-resistant high impact polystyrene material has high weather resistance and stable performance.

Description

technical field [0001] The invention relates to the modification and preparation of a high-impact polystyrene material, in particular to a weather-resistant high-impact polystyrene material and a preparation method thereof. Background technique [0002] High-impact polystyrene materials have excellent toughness, hardness, and rigidity balanced mechanical properties. At the same time, they have good dimensional stability, surface gloss, low temperature resistance, colorability, and processing fluidity. Styrene materials are widely used in engineering fields such as electrical appliances, automobiles, and machinery. However, high-impact polystyrene contains unsaturated C=C double bonds of polybutadiene chain members, and the C=C double bonds are very sensitive to ultraviolet light. The mechanism is that ultraviolet light first attacks the C=C double bond in the polybutene chain segment, oxidizes and breaks the polybutene chain segment, and then generates carbonyl and hydroxyl...

Claims

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Application Information

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IPC IPC(8): C08L51/04C08L25/06C08K13/02B29B9/06B29C47/92B29C48/92
CPCB29C48/04B29C48/92B29C2948/92704B29C2948/92923
Inventor 筱璘阮小良桑杰严星桓杨华军李白羽黄恒圳
Owner GUANGDONG ALDEX NEW MATERIAL CO LTD
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