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Production method for high-performance polyphthalamide long-fiber coating reinforcing material

A polyphthalamide, reinforcing material technology, applied in the coating and other directions, can solve the problems of poor flame retardant performance and antistatic performance, PPA toughness and rigidity can not have both, can not be widely used and other problems, to achieve thermal stability. Good stability, low price, excellent antistatic performance

Inactive Publication Date: 2018-01-12
广州维邦新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to increase the strength, stiffness and other properties of PPA materials, so as to completely replace non-ferrous metals such as aluminum, copper, zinc and their alloy materials, there are existing patents that use long glass fibers to coat PPA, but the coated PPA The toughness and rigidity cannot be achieved at the same time, and the flame retardancy and antistatic performance are not good, so it is still not widely used

Method used

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  • Production method for high-performance polyphthalamide long-fiber coating reinforcing material

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Experimental program
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Effect test

Embodiment 1

[0027] The invention discloses a production method of a high-performance polyphthalamide filament-coated reinforcing material, which specifically includes the following steps:

[0028] Step 1, in parts by weight, successively weigh 100 parts of polyphthalamide, 80 parts of long fiber, 50 parts of ammonium polyphosphate, 35 parts of PTFE wax micropowder, 15 parts of KH-550, 15 parts of tri(2, 4-di-tert-butylphenyl) phosphite, 9 parts of maleic anhydride grafted polyolefin elastomer and 10 parts of dodecyl dimethyl betaine, and carry out drying treatment; Phthalamide is dried, the dew point temperature is -40°C, the drying temperature is 130°C, and the drying time is 5-6 hours. The drying temperature of the long fiber is 130°C, and the long fiber is ECT5301HP;

[0029] Step 2, the dried ammonium polyphosphate, PTFE wax powder, KH-550, three (2,4-di-tert-butylphenyl) phosphite, maleic anhydride grafted polyolefin elastomer, dodecyl Add dimethyl betaine and polyphthalamide accoun...

Embodiment 2

[0032] The invention discloses a production method of a high-performance polyphthalamide filament-coated reinforcing material, which specifically includes the following steps:

[0033] Step 1, in parts by weight, successively weigh 100 parts of polyphthalamide, 50 parts of long fibers, 30 parts of ammonium polyphosphate, 20 parts of modified molybdenum disulfide, 12 parts of KH-570, 13 parts of four ( 2,4-di-tert-butylphenyl-4,4-biphenyl)bisphosphate, 8 parts of maleic anhydride grafted polyolefin elastomer and 2 parts of polyoxyethylene stearate, and dried; The polyphthalamide is dried using a dehumidification drying method, the dew point temperature is -40°C, the drying temperature is 130-140°C, the drying time is 5-6 hours, and the drying temperature of the long fibers is 120-130°C. ℃, the long fiber is ECT5301HP;

[0034] Step 2, the dried ammonium polyphosphate, modified molybdenum disulfide, KH-570, tetrakis (2,4-di-tert-butylphenyl-4,4-biphenyl) bisphosphate, maleic an...

Embodiment 3

[0037] The invention discloses a production method of a high-performance polyphthalamide filament-coated reinforcing material, which specifically includes the following steps:

[0038] Step 1. According to parts by weight, weigh 100 parts of polyphthalamide, 60 parts of long fiber, 40 parts of ammonium polyphosphate, 35 parts of PTFE wax micropowder, 10 parts of KH-550, 5 parts of N, N' - bis-(3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionyl) hexamethylenediamine, 6 parts of maleic anhydride grafted polyolefin elastomer and 5 parts of dodecyldimethyl Betaine, and drying treatment, the long fiber is ECT5301HP; polyphthalamide is dried by dehumidification drying method, the dew point temperature is -40°C, the drying temperature is 140°C, and the drying time is 5 to 6 hours. The drying temperature of the long fibers was 120°C.

[0039]Step 2, the dried ammonium polyphosphate, PTFE wax powder, KH-550, N, N'-bis-(3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionyl) hexadiene Amine, ma...

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Abstract

The invention discloses a production method for a high-performance polyphthalamide long-fiber coating reinforcing material. The production method for the high-performance polyphthalamide long-fiber coating reinforcing material comprises the following steps of: weighing polyphthalamide, long fiber, flame retardants, anti-wear agents, sizing agents, antioxidants, toughening agents and antistatic agents, and conducting drying treatment; adding the dried flame retardants, anti-wear agents, sizing agents, antioxidants, toughening agents, antistatic agents and polyphthalamide accounting for 60 to 70wt% of total dried polyphthalamide into a high-speed mixer for high-speed mixing; adding high-speed-mixed raw materials into a twin-screw extruder for melt-extrusion, adding dried long fiber and remaining dried polyphthalamide into a die head of a long fiber coating machine, conducting infiltration coating, and conducting cooling, traction and pelletizing. The high-performance polyphthalamide long-fiber coating reinforcing material disclosed by the invention has excellent flame retardancy, good thermal stability, good abrasion resistance, good toughness, excellent antistatic performance and environmental protection.

Description

technical field [0001] The invention relates to the technical field of polymer materials, and more specifically, the invention relates to a production method of a high-performance polyphthalamide filament-coated reinforcing material. Background technique [0002] Polyphthalamide (PPA for short) is a high strength, high rigidity, high heat resistance, high performance, low water absorption, UV resistance, high temperature resistance (290 ° C, 1.82 MPa), low temperature (-60 ° C); Good chemical resistance, especially resistance to gasoline, grease and coolant is much stronger than PA66, PA6, PA46. It also has superior environmental protection performance and can meet the German LFGB and American FDA food grade standards. Therefore, its research and application is one of the hot spots in the field of polymer materials. [0003] In order to increase the strength, stiffness and other properties of PPA materials to completely replace non-ferrous metals such as aluminum, copper, ...

Claims

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Application Information

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IPC IPC(8): C08L77/06C08L27/18C08L51/06C08L71/02C08K13/04C08K7/14C08K3/32C08K5/526C08K5/19C08K13/06C08K3/30C08J5/04B29B9/06B29B13/06B29B15/12B29B15/14B29C47/92B29C48/92
Inventor 高兆波黄俊敏
Owner 广州维邦新材料科技有限公司
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