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Glass fiber reinforced hydrolysis-resistant nylon pa6/pa66 composite material and preparation method thereof

A technology of glass fiber and PA66, which is applied in the field of preparation of glass fiber reinforced hydrolysis-resistant nylon PA6/PA66 composite materials, which can solve the problems of high cost and large amount of addition

Active Publication Date: 2016-01-20
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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  • Glass fiber reinforced hydrolysis-resistant nylon pa6/pa66 composite material and preparation method thereof
  • Glass fiber reinforced hydrolysis-resistant nylon pa6/pa66 composite material and preparation method thereof
  • Glass fiber reinforced hydrolysis-resistant nylon pa6/pa66 composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0084] Glass fiber reinforced anti-hydrolysis nylon PA6 / PA66 composite material and its preparation method, the composition ratio according to the mass parts is as follows:

[0085] PA620-40 copies,

[0086] PA6610-30 copies,

[0087] 35-50 parts of glass fiber,

[0088] 3-8 parts of compatibilizer,

[0089] 0.2-1.0 parts of main anti-hydrolysis agent,

[0090] 0.1-0.5 parts of auxiliary anti-hydrolysis agent,

[0091] 1-5 parts of nucleating agent,

[0092] 0.3-0.8 parts of antioxidant,

[0093] 0.5-0.8 parts of lubricant,

[0094] 0.2-0.5 parts of dimethyl silicone oil.

[0095] The antioxidant described in the above composition is a compound of hindered phenolic antioxidant 1010 and phosphite antioxidant 168, and the ratio of antioxidant 1010 to 168 is 2:1; The anti-hydrolysis agent short glass fiber is 2-oxazoline or 3-oxazoline or 4-oxazoline or their mixture; the auxiliary anti-hydrolysis agent is epoxy compound which is phenyl glycidyl ether or bisphenol A One of bisglycidyl ether, t...

Embodiment 2

[0104] Glass fiber reinforced anti-hydrolysis nylon PA6 / PA66 composite material and its preparation method, the composition ratio according to the mass parts is as follows:

[0105] PA630 copies,

[0106] PA6630 copies,

[0107] 40 parts of glass fiber,

[0108] 3 parts of compatibilizer,

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

[0110] Auxiliary anti-hydrolysis agent 0.2 parts

[0111] 1.5 parts of nucleating agent

[0112] 0.3 parts of antioxidant,

[0113] 0.5 parts of lubricant,

[0114] 0.2 parts of dimethyl silicone oil.

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

Embodiment 3

[0118] Glass fiber reinforced anti-hydrolysis nylon PA6 / PA66 composite material and its preparation method, the composition ratio according to the mass parts is as follows:

[0119] PA620 copies,

[0120] PA6635 copies,

[0121] 45 parts of glass fiber,

[0122] 5 parts of compatibilizer,

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

[0124] 0.3 parts of auxiliary anti-hydrolysis agent,

[0125] 2 parts of nucleating agent,

[0126] 0.5 part of antioxidant,

[0127] 0.8 parts of lubricant,

[0128] 0.4 parts of dimethyl silicone oil,

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

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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, and particularly relates to a preparation method of glass fiber reinforced hydrolysis-resistant nylon PA6 / PA66 composite material. Background technique [0002] As we all know, polyamide (nylon) resin plays a leading role in mechanical structural parts due to its good mechanical properties, and is the most used variety in engineering plastics. Among them, PA6 and PA66 are the main products, regardless of output, application range, or comprehensive Performance occupies an important position. [0003] The melting point of PA6 is 215℃-225℃, which is lower than that of PA66, and its 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℃-265℃, the molding cycle is short, and the oil resistance is goo...

Claims

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Application Information

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Patent Type & Authority Patents(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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