Method for making amorphism polymer material form tablet layer micromechanism

A technology of polymer material and microstructure, applied in the field of polymer material physics and its processing, to achieve the effects of low temperature, improved impact strength and cost saving

Inactive Publication Date: 2008-08-20
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, there are no related research reports on amorphous polymer materials, especially for SBS / PS

Method used

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  • Method for making amorphism polymer material form tablet layer micromechanism
  • Method for making amorphism polymer material form tablet layer micromechanism
  • Method for making amorphism polymer material form tablet layer micromechanism

Examples

Experimental program
Comparison scheme
Effect test

example 2

[0034] Example 2.SBS / PS (10 / 90) under the pressure of 300MPa, changing the processing temperature, the microstructure change and the improvement of the impact strength after pressure-induced flow molding for 5 minutes. As in Table 2.

[0035] Table 2. Impact strength of SBS / PS (10 / 90) (300MPa, 5min)

[0036]

example 3

[0037] Example 3.SBS / PS (10 / 90) under the pressure of 300MPa, changing the processing temperature, the change of the microstructure and the change of its tensile strength after pressure-induced flow molding for 5 minutes. as table 3

[0038] Table 3. Tensile strength of SBS / PS (10 / 90) (300MPa, 5min)

[0039]

[0040]

example 4

[0041] Example 4. SBS / PS (40 / 60) under the pressure of 300MPa, changing the processing temperature, the change of the microstructure and the change of its tensile strength after pressure-induced flow molding for 5 minutes. As in Table 4.

[0042]Table 4. Tensile strength (300MPa, 5min) of SBS / PS (10 / 90) and (40 / 60)

[0043]

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Abstract

The invention relates to a method for leading amorphous macromolecule materials to form lamellar microstructure and the amorphous macromolecule materials are led to form novel micro 'lamellar structure' by the method; different morphological structures can be obtained by changing the temperatures of contour machining and the combination of pressure and time. The performance of the materials, more particularly the anti-impact performance of the materials can be greatly improved by forming the lamellar microstructure. The method which is characterized by simple molding technology and low energy consumption, etc. has lower temperature in the manufacturing process, thus reducing the energy consumption of polymers in the machine-shaping process and improving the performance of products. As the molding is carried out at low temperature, the addition of a plurality of addition agents in the processing is reduced, thus saving the cost and reducing the environmental pollution in the circle.

Description

technical field [0001] The invention belongs to the field of polymer material physics and its processing, in particular to a pressure-induced flow molding method of styrene-butadiene-styrene SBS and polystyrene PS. Background technique [0002] Polystyrene (PS) is one of the main varieties of thermoplastic resins. It was first industrialized in 1930 by I.G. Farben (the predecessor of BASE) in Germany. Because of its hard quality, transparency, rigidity, electrical insulation, low hygroscopicity, low price, easy dyeing, and easy processing, it has become one of the four general-purpose plastics today. PS is mainly used in packaging, construction, medicine, electronics, automobiles, home appliances, instruments, footwear, daily necessities, furniture, toys and other industries. About 1 / 3 of PS is used in packaging industry, followed by electronics industry. However, it is rarely used in the field of engineering materials and structural materials due to its low impact strength...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L25/12B29C43/58B29C47/92B29C45/78C08L53/02B29C48/40B29C48/92
CPCB29C47/92B29C48/92B29C2948/92704B29C48/04B29C48/08B29C48/40B29C48/9185B29C2948/92895
Inventor 余木火梁燕朱姝焦明立李书同韩克清滕翠青袁象恺金亮
Owner DONGHUA UNIV
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