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Modified PEEK (polyetheretherketone) material and preparation method of modified PEEK material

A technology of modification and modifier, which is applied in the field of polymers and can solve problems affecting the overall strength, irregular shape, and internal stress accumulation, etc.

Active Publication Date: 2016-03-30
WENZHOU YUANQIN PETROCHEM MACHINERY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, during the thermal processing of PEEK materials, amorphous crystals are easily formed inside, resulting in internal stress accumulation, local stress concentration and affecting the overall strength.

Method used

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  • Modified PEEK (polyetheretherketone) material and preparation method of modified PEEK material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] PEEK: 70 parts;

[0035] Polytetrafluoroethylene: 10 parts;

[0036] Cu: 5 parts;

[0037] MoS 2 : 10 copies;

[0038] Carbon fiber: 15 parts.

[0039] Step 1: Stir the raw materials evenly according to the proportion;

[0040] Step 2: put the uniformly mixed raw materials into a molding machine and mold them to obtain molded tablets;

[0041] Step 3: Sintering the molded sheet;

[0042] Step 4: Tempering the sintered molded sheet;

[0043] Step 5: Finishing the tempered product to obtain the product.

[0044] In the third step, the sintering temperature is 400° C., and the sintering time is 8 hours.

[0045] The tempering temperature in the step 4 is 200° C., and the tempering time is 4 hours.

Embodiment 2

[0047] PEEK: 80 parts;

[0048] Polytetrafluoroethylene: 5 parts;

[0049] Cu: 5 parts;

[0050] MoS 2 : 7 copies;

[0051] Carbon fiber: 20 parts.

[0052] Step 1: Stir the raw materials evenly according to the proportion;

[0053] Step 2: put the uniformly mixed raw materials into a molding machine and mold them to obtain molded tablets;

[0054] Step 3: Sintering the molded sheet;

[0055] Step 4: Tempering the sintered molded sheet;

[0056] Step 5: Finishing the tempered product to obtain the product.

[0057] In the third step, the sintering temperature is 400° C., and the sintering time is 8 hours.

[0058] The tempering temperature in the step 4 is 200° C., and the tempering time is 4 hours.

Embodiment 3

[0060] PEEK: 80 parts;

[0061] Polytetrafluoroethylene: 20 parts;

[0062] Cu: 3 parts;

[0063] MoS 2 : 5 copies;

[0064] Carbon fiber: 8 parts.

[0065] Step 1: Stir the raw materials evenly according to the proportion;

[0066] Step 2: put the uniformly mixed raw materials into a molding machine and mold them to obtain molded tablets;

[0067] Step 3: Sintering the molded sheet;

[0068] Step 4: Tempering the sintered molded sheet;

[0069] Step 5: Finishing the tempered product to obtain the product.

[0070] In the third step, the sintering temperature is 400° C., and the sintering time is 8 hours.

[0071] The tempering temperature in the step 4 is 200° C., and the tempering time is 4 hours.

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Abstract

The invention discloses a modified PEEK (polyetheretherketone) material, which is prepared from the following ingredients in parts by weight: 70 to 80 parts of PEEK, 5 to 20 parts of polytetrafluoroethylene, 3 to 5 parts of Cu, 5 to 10 parts of MoS2 and 8 to 20 parts of carbon fiber. The prepared PEET modified material has better mechanical strength and friction coefficient, and meanwhile, the property homogeneity is better.

Description

technical field [0001] The invention relates to the field of macromolecules, more specifically, it relates to a modified PEEK material and a preparation method thereof. Background technique [0002] Modified plastics refer to plastic products that are processed and modified on the basis of general-purpose plastics and engineering plastics through filling, blending, reinforcement, etc., and have improved properties such as flame retardancy, strength, impact resistance, and toughness. [0003] Polyetheretherketone (PEEK) resin is a special engineering plastic with excellent performance. Compared with other special engineering plastics, it has more significant advantages, such as high temperature resistance of 260 degrees, excellent mechanical properties, good self-lubrication, and chemical corrosion resistance. , flame retardant, peel resistance, abrasion resistance, strong nitric acid, concentrated sulfuric acid, radiation resistance, super mechanical properties can be used i...

Claims

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Application Information

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IPC IPC(8): C08L61/16C08L27/18C08K13/04C08K7/06C08K3/08C08K3/30B29C69/00B29C71/02
CPCB29C69/00B29C71/02C08L61/16C08L27/18C08K13/04C08K7/06C08K2003/085C08K2003/3009
Inventor 邹松鹤王益坚
Owner WENZHOU YUANQIN PETROCHEM MACHINERY CO LTD
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