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High-melt-strength styrene resin composition and preparation method thereof

A styrene resin, high melt strength technology, applied in the high melt strength styrene resin composition and the field of preparation thereof, achieves the effects of low shrinkage, reduced production difficulty and investment cost, and excellent mechanical properties

Active Publication Date: 2018-07-17
FINE BLEND POLYMER SHANGHAI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the method of improving the melt strength has become the focus of research, and there is no report on a preparation method for a styrene resin and its alloys with a simple process, excellent physical and mechanical properties, and low cost to obtain higher melt strength.

Method used

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  • High-melt-strength styrene resin composition and preparation method thereof
  • High-melt-strength styrene resin composition and preparation method thereof
  • High-melt-strength styrene resin composition and preparation method thereof

Examples

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Comparison scheme
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Embodiment Construction

[0030] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0031] The formula table of table 1 embodiment and comparative example

[0032] Material

[0033] The above-mentioned formulated product was extruded into granules by twin-screw, and dried in an oven at 80°C for 2 hours. The granules were tested for their extensional rheological properties by a capillary rheometer. The test results can be found in figure 1 . At the same time, the particles were injected into standard splines for mechanical properties (results in figure 2 ) and high te...

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PUM

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Abstract

The invention provides a high-melt-strength styrene resin composition. The composition comprises, by weight, styrene resin or styrene alloy, a tackifier, an antioxidant and a lubricant. Compared withthe prior art, the composition has the advantages that a random copolymer serving as the tackifier, the styrene resin and the styrene alloy are thermally compatible, phase separation is avoided, andthe mechanical property is excellent; the molecular weight of the random copolymer serving as the tackifier is moderate, and the random copolymer can be plasticized more easily compared with rubber powder, high-molecular-weight SAN powder, heat-resistant powder and the like, so that the processing performance is better, the thickness is uniform, the shrinkage rate is low, and surface defects are not likely to be generated.

Description

technical field [0001] The invention relates to a high-melt strength styrene resin composition and a preparation method thereof, belonging to the field of polymer materials. Background technique [0002] ABS resin is a resin with excellent performance, which has excellent impact resistance, heat resistance, dimensional stability and excellent dyeing performance. It has been widely used in the fields of electronics, home appliances, automobiles, etc. processing technology. The most common processing method is injection molding, but there are also processes such as extrusion and blow molding. For example, automobile tail fins and spoilers are usually prepared by blow molding, while refrigerator linings are generally prepared by blister technology. In processes such as blow molding, if the melt strength of the material is insufficient, it is easy to cause the embryo body to sag and collapse; when blistering, a series of problems such as local overthinness and even rupture may...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L55/02C08L25/12C08L51/00C08L51/04C08L69/00C08L25/16
CPCC08L25/12C08L51/003C08L51/04C08L55/02C08L69/00C08L2205/03C08L2205/035C08L2201/08C08L25/16C08J3/12C08J2425/14C08J2325/08C08J2469/00B29C48/022B29C48/40B29K2025/04B29C48/92B29K2995/0077B29C2948/92704B29C2948/92876C08K5/005C08K5/1345C08K5/526C08L25/06C08K5/13B29B7/18C08L25/10C08L25/14C08L2205/02
Inventor 段浩朱延谭朱丛山汤俊杰
Owner FINE BLEND POLYMER SHANGHAI CO LTD
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