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Modified thermoplastic polymer material and preparation method thereof

A polymer, thermoplastic technology, applied in the field of modified polymer materials, which can solve problems such as low shrinkage rate and limited range of motion

Inactive Publication Date: 2017-09-15
谭国权
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It attaches to the movable part of the bone, but limits its range of motion
[0004] Imitate the interface characteristics and structure of animal joints and ligaments, tissue material characteristics and combination methods to solve the performance deficiencies of existing thermoplastic polymer materials, and use this method to prepare high-performance (such as high toughness, high flex resistance, high strength, low shrinkage, etc.), there is no relevant report yet

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0087] Example 1 (Take polypropylene as thermoplastic polymer to be modified)

[0088] 50kg epoxy resin was cured and coated with heavy calcium carbonate powder, 30kg maleic anhydride grafted POE, 5kg wollastonite powder, 26kg maleic anhydride grafted polypropylene, 4kg organic nanoclay, 0.2kg antioxidant, 0.1kg antioxidant The photoaging agent, 0.6 kg of lubricant and 0.4 kg of silane coupling agent KH550 are mixed uniformly, melted, mixed, extruded and granulated to obtain a master batch.

[0089] 35kg of the above-mentioned masterbatch and 65kg of polypropylene were mixed uniformly, melt-mixed, extruded and pelletized to obtain a modified polypropylene material.

[0090] Take the above modified polypropylene material and test it according to the standard sample preparation: tensile strength 26.8MPa, elongation at break 263%, flexural strength 32.4MPa, flexural modulus 1230MPa, notched impact strength: 41KJ / m 2 , heat distortion temperature 109 ℃.

Embodiment 2

[0094] Example 2 (Take polypropylene as thermoplastic polymer to be modified)

[0095] 40kg epoxy resin was cured and coated with glass beads, 15kg maleic anhydride grafted POE, 5kg chopped glass fiber, 33kg maleic anhydride grafted polypropylene, 7kg organic nanoclay, 0.2kg antioxidant, 0.1kg light resistance The aging agent, 0.6 kg of lubricant and 0.3 kg of silane coupling agent KH550 are mixed uniformly, melted, mixed, extruded and granulated to obtain a master batch.

[0096] 40kg of the above-mentioned masterbatch and 60kg of polypropylene were mixed uniformly, melt-mixed, extruded and pelletized to obtain a modified polypropylene material.

[0097] Take the above modified polypropylene material and test it according to the standard sample preparation: tensile strength 28.3MPa, elongation at break 167%, flexural strength 31.2MPa, flexural modulus 1637MPa, notched impact strength: 52KJ / m 2 , heat distortion temperature 129 ℃.

Embodiment 3

[0101] Example 3 (using nylon 6 as thermoplastic polymer to be modified)

[0102] 31kg epoxy resin was cured and coated with nano calcium powder, 15kg polyamide elastomer, 10kg wollastonite powder, 34kg single-ended carboxyl nylon 6, 10kg organic nanoclay, 0.2kg antioxidant, 0.6kg lubricant and 0.2kg silane coupling agent. The joint agent KH550 is mixed evenly, melted, mixed, extruded and granulated to obtain a master batch.

[0103] Mix 50kg of the above master batch and 50kg of nylon 6 uniformly, melt, mix, extrude and granulate to obtain a modified nylon 6 material.

[0104] Take the above modified nylon 6 material and test it according to the standard sample preparation: tensile strength 69.6MPa, elongation at break 107%, bending strength 85.5MPa, notched impact strength: 23.6KJ / m 2 , Water absorption rate: 0.53%, shrinkage rate 0.63%.

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Abstract

The present invention provides a modified thermoplastic polymer material, the modified thermoplastic polymer material comprises an epoxy resin cured coated matter, a ligament imitation material and a to-be-modified thermoplastic polymer which are in turn connected by interwining, and the ligament imitation material includes a functional thermoplastic elastomer, an additive and the like. The modified thermoplastic polymer material selects the epoxy resin cured coated matter as an inner core material, inorganic powder can be highly dispersed in the system, and the functional thermoplastic elastomer and the like are selected as the ligament imitation material for preferential reaction with surface groups of the epoxy resin cured coated matter, so that the functional thermoplastic elastomer and the like are strongly fixed around the epoxy resin cured coated matter, a toughening effect is achieved, at the same time, the strength of the to-be-modified thermoplastic polymer is basically not damaged, and the to-be-modified thermoplastic polymer has high toughness, high flexibility, high strength, low shrinkage and the like.

Description

technical field [0001] The invention relates to the field of modified polymer materials, in particular to a modified thermoplastic polymer material and a preparation method thereof. Background technique [0002] The use of rigid particles or rubber to modify thermoplastic polymer materials is now a common method. Its purpose is to improve the high shrinkage rate, low toughness, poor low temperature resistance, poor heat resistance, poor rigidity and flexibility, and poor flame retardancy of thermoplastic polymer materials. However, the above method is only a simple blending modification. When solving the deficiencies of one property of thermoplastic polymer materials, other excellent properties are often sacrificed. If the toughness is increased, the tensile and flexural strength will be greatly reduced. The reason is mainly caused by the interface defects of various dispersed phases formed by various additives, unsatisfactory dispersibility, insufficiently fine dispersed ...

Claims

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Application Information

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IPC IPC(8): C08L23/12C08L63/00C08L51/06C08L77/02C08L77/00C08L67/02C08L67/00C08L25/06C08L13/00C08L35/06C08K13/06C08K9/10C08K3/34C08K5/544C08K3/26C08K7/14
CPCC08L23/12C08K2003/265C08K2201/011C08L25/06C08L67/02C08L77/02C08L2205/02C08L2205/025C08L2205/035C08L2205/05C08L63/00C08L51/06C08K13/06C08K9/10C08K3/346C08K5/544C08K3/26C08K7/20C08K7/14C08L77/00C08L67/00C08L13/00C08L35/06
Inventor 谭国权
Owner 谭国权
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