Nylon 6T composite and preparation method thereof

A composite material and nylon technology, applied in the field of good surface reinforced and toughened nylon 6T composite material and its preparation, can solve the problems of easy thermal and oxygen aging, achieve low cost, reduce the chance of migration, and improve thermal and oxygen aging resistance Effect

Inactive Publication Date: 2012-04-18
太和县绿源滤材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, there is a common problem of easy thermal oxygen aging

Method used

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  • Nylon 6T composite and preparation method thereof
  • Nylon 6T composite and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Add 58.7% nylon 6T resin, 3% ferric oxide, 7.5% maleic anhydride grafted ethylene-octene copolymer, 0.5% phenolic antioxidant and 0.3 long-chain carboxylate from the main feeding port, from 30% coated chopped glass fiber is added to the side feed port. After melting and blending in a twin-screw extruder, it is cooled, air-dried, and pelletized into pellets. The pellets are injection molded into standard mechanical test specimens and swatches for testing.

Embodiment 2

[0026] Add 60.7% nylon 6T resin, 6% ferric oxide, 7.5% maleic anhydride grafted ethylene-octene copolymer, 0.5% phenolic antioxidant and 0.3% long-chain carboxylate from the main feeding port, Add 25% coated chopped glass fibers from the side feed. After melting and blending in a twin-screw extruder, it is cooled, air-dried, and pelletized into pellets. The pellets are injection molded into standard mechanical test specimens and swatches for testing.

Embodiment 3

[0028] Add 48.2% nylon 6T resin, 9% ferric oxide, 12% maleic anhydride grafted ethylene-octene copolymer, 0.5% phenolic antioxidant and 0.3% long-chain carboxylate from the main feeding port, Add 30% coated chopped glass fibers from the side feed port. After melting and blending in a twin-screw extruder, it is cooled, air-dried, and pelletized into pellets. The pellets are injection molded into standard mechanical test specimens and swatches for testing.

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Abstract

The invention discloses a nylon 6T composite and a preparation method thereof. The nylon 6T composite comprises the following components by weight percent: 27-88% of nylon 6T, 3-9% of ferric oxide, 2-15% of elastomer flexibilizer, 5-60% of glass fiber and 0.5-5% of additive. The glass fiber covered by maleic anhydride grafted ethylene-octene copolymer can react with nylon 6T so as to increase theamount of resin covered on the surface of glass fiber and improve the binding ability of the surface of glass fiber and the resin substrate and all the mechanical properties of the material; as the binding ability of glass fiber and resin is strong, the possibility that glass fiber migrates to the surface in the forming process is reduced and the smooth surface can be obtained; and the method is simple and practical, has low cost and is suitable for large-scale production. Ferric oxide can effectively adsorb the acidic material of the nylon 6T system, thus the thermal-oxidative aging resistance of the system can be increased.

Description

technical field [0001] The invention relates to a glass fiber reinforced nylon 6T material, in particular to a good surface reinforced and toughened nylon 6T composite material and a preparation method thereof. Background technique [0002] Nylon 6T material is the most commonly used material in engineering plastics, and is widely used in industries such as automobiles, construction, electronic appliances, and home appliances. After nylon 6T resin is reinforced and modified by glass fiber, its strength, rigidity and toughness can be significantly improved. Toughened and reinforced nylon 6T composites have excellent low-temperature toughness and can be used in power tools, office furniture, ski shoes, bicycle wheels, and other sports equipment. Due to the requirements of appearance and use, these products often need to have a smooth surface before they can be accepted by consumers. In addition, there is a common problem of easy thermal oxygen aging. Contents of the invent...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L77/00C08L51/06C08K9/10C08K7/14C08K3/22
Inventor 庄晓曦杜崇铭林湖彬
Owner 太和县绿源滤材有限公司
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