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Glass fiber reinforced and hydrolysis-resistant nylon PA (Polyethylene) 6/PA66 composite material and preparation method thereof

A technology of glass fiber and composite materials, applied in the direction of coating, etc., can solve the problems of high cost and large amount of addition

Active Publication Date: 2013-05-22
天津万塑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

In addition, the anti-hydrolysis agents used for hydrolysis-resistant nylon at home and abroad are mainly concentrated in the use of polycarbodiimide. The typical representative product is Stanboxol-P of German Rheinland Chemical Company; and H3337 / H3347 of German BRUGGOLEN Company. It is a mixture of copper compound antioxidant, synergist, nucleating agent and effective hydrolysis protection lubricant (fatty acid salt), and also has good hydrolysis resistance, but it is added in a large amount and the cost is high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0084] The glass fiber-reinforced hydrolysis-resistant PA6 / PA66 composite material and its preparation method are as follows:

[0085] PA6 20-40 parts,

[0086] PA66 10-30 parts,

[0087] Glass fiber 35-50 parts,

[0088] 3-8 parts of compatibilizer,

[0089] Main anti-hydrolysis agent 0.2-1.0 parts,

[0090] Auxiliary anti-hydrolysis agent 0.1-0.5 parts,

[0091] 1-5 parts of nucleating agent,

[0092] Antioxidant 0.3-0.8 parts,

[0093] Lubricant 0.5-0.8 part,

[0094] Simethicone oil 0.2-0.5 parts.

[0095] The antioxidant described in the above composition is the composite of hindered phenolic antioxidant 1010 and phosphite antioxidant 168, and the ratio of antioxidant 1010 and 168 is 2:1; the main Anti-hydrolysis agent short glass fiber is 2-oxazoline or 3-oxazoline or 4-oxazoline or their mixture; described auxiliary anti-hydrolysis agent is epoxy compound is phenyl glycidyl ether or bisphenol A One of bisglycidyl ether or tetrakis(phenylglycidyl)ethane or trime...

Embodiment 2

[0104] The glass fiber-reinforced hydrolysis-resistant PA6 / PA66 composite material and its preparation method are as follows:

[0105] PA6 30 copies,

[0106] PA66 30 parts,

[0107] 40 parts of glass fiber,

[0108] 3 parts of compatibilizer,

[0109] 0.3 parts of the main anti-hydrolysis agent,

[0110] Auxiliary anti-hydrolysis agent 0.2 parts

[0111] Nucleating agent 1.5 parts

[0112] Antioxidant 0.3 parts,

[0113] 0.5 parts of lubricant,

[0114] 0.2 parts of simethicone oil.

[0115] The antioxidant described in the above composition is the composite of hindered phenolic antioxidant 1010 and phosphite antioxidant 168, and the ratio of antioxidant 1010 and 168 is 2:1; the main Anti-hydrolysis agent short glass fiber is 2-oxazoline or 3-oxazoline or 4-oxazoline or their mixture; described auxiliary anti-hydrolysis agent is epoxy compound is phenyl glycidyl ether or bisphenol A One of bisglycidyl ether or tetrakis(phenylglycidyl)ethane or trimethoxy[3-(glycidyl)...

Embodiment 3

[0118] The glass fiber-reinforced hydrolysis-resistant PA6 / PA66 composite material and its preparation method are as follows:

[0119] PA6 20 copies,

[0120] PA66 35 parts,

[0121] 45 parts of glass fiber,

[0122] 5 parts of compatibilizer,

[0123] 0.4 parts of the main anti-hydrolysis agent,

[0124] Auxiliary anti-hydrolysis agent 0.3 parts,

[0125] 2 parts of nucleating agent,

[0126] Antioxidant 0.5 part,

[0127] 0.8 parts of lubricant,

[0128] 0.4 parts of simethicone oil,

[0129] The antioxidant described in the above composition is the composite of hindered phenolic antioxidant 1010 and phosphite antioxidant 168, and the ratio of antioxidant 1010 and 168 is 2:1; the main Anti-hydrolysis agent short glass fiber is 2-oxazoline or 3-oxazoline or 4-oxazoline or their mixture; described auxiliary anti-hydrolysis agent is epoxy compound is phenyl glycidyl ether or bisphenol A One of bisglycidyl ether or tetrakis(phenylglycidyl)ethane or trimethoxy[3-(glycidy...

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Abstract

The invention relates to a glass fiber reinforced and hydrolysis-resistant nylon PA (Polyethylene) 6 / PA66 composite material and a preparation method thereof. The composite material comprises the following components: PA6, PA66, hydrolysis-resistant alkali-free glass fibers, a compatilizer, a main hydrolysis resisting agent, an epoxide assistant hydrolysis resisting agent, a nucleating agent, an antioxidant that is the 1010 and 168 compounded antioxidant, a lubricant and simethicone. The preparation method comprises the following steps: placing the PA6, the PA66, the compatilizer and the simethicone into a high-speed mixer to mix according to the formula mass; adding each assistant mentioned above; mixing by the high-speed mixer; transferring into a twin-screen extruder; and molting, extruding, blanking and drying the materials, so as to obtain the composite material. The glass fiber reinforced and hydrolysis-resistant nylon PA6 / PA66 composite material has the advantages of being high in bending strength, excellent in toughness and hydrolysis resistance and wide in applicable scope, is mainly applicable to components of controllers of electric bicycle, and can meet the requirement of the performance of the materials.

Description

technical field [0001] The invention belongs to the field of polymer materials, in particular to a method for preparing a glass fiber-reinforced hydrolysis-resistant PA6 / PA66 composite material. Background technique [0002] As we all know, polyamide (nylon) resin plays a dominant role in mechanical structural parts due to its good mechanical properties, and is the most used variety in engineering plastics, among which PA6 and PA66 are the main ones. Performance plays an important role. [0003] The melting point of PA6 is 215°C-225°C, which is lower than that of PA66, and the flexural strength and flexural modulus are also lower. The water absorption is larger than that of PA66, but the toughness of PA6 is better than that of PA66. The rigidity of PA66 is better than PA6, the heat resistance is better than PA6, the melting point is 260°C-265°C, the molding cycle is short, and the oil resistance is good. In practical applications, PA6 and PA66 are often mixed to make PA6...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/02C08L77/06C08L51/06C08L83/04C08K13/06C08K9/06C08K7/14C08K5/357C08K3/26C08K5/103C08K5/134C08K5/524B29C69/00B29C47/00B29C45/00
Inventor 马建中刘均科
Owner 天津万塑新材料科技有限公司
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