Aramid fiber fibre-silastic fabric, production method thereof and use in soft pipeline

A kind of aramid fiber cloth and aramid fiber technology, applied in the direction of fiber type, fiber processing, textile material processing, etc., can solve the problems of difficult surface treatment, low comprehensive performance, low qualification rate, etc., to solve the problem of aramid fiber Effects of deformation and dislocation, improved tensile and tear strength, good mechanical properties and process performance

Inactive Publication Date: 2008-12-24
株洲市华丰复合材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Using this method has the following problems: 1. The process is complicated, and the high temperature treatment on the surface of the aramid fiber will reduce its comprehensive performance
2. Adding an ultrasonic treatment process increases the cost
3. Since this method adopts the ultrasonic processing method in the medium, the surface treatment needs to be carried out in the container in an unfolded manner, which is time-consuming and has strict requirements on equipment and site conditions. It can only be used for small-scale production and is not suitable for For large-scale large-scale industrial production, such as the production of cloth with a length of more than 100 meters, the surface treatment is very difficult, and it is difficult to achieve a uniform coating effect. The bonding effect of the two is not ideal, and the pass rate is very low. Industrial production
[0016] There is still a big gap in the performance of the existing polymer material cloth to meet the above requirements, and its production method needs to be further improved

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • Aramid fiber fibre-silastic fabric, production method thereof and use in soft pipeline
  • Aramid fiber fibre-silastic fabric, production method thereof and use in soft pipeline
  • Aramid fiber fibre-silastic fabric, production method thereof and use in soft pipeline

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] A kind of manufacturing process of aramid fiber-silicone rubber cloth:

[0047] The invention relates to a production method of aramid fiber-silicone rubber cloth, which is to coat the surface of the aramid fiber with a silicon compound coating by means of penetrating and two-roller rolling. In the mixing process of silicone rubber, halogen-free flame retardants, reinforcing agents, pigments, and other modification additives are added; the silicone rubber paste is made by adding solvents and coupling agents; halogen-free The flame retardant is antimony trioxide, magnesium hydroxide, and aluminum hydroxide in a ratio of 1:7:7; the reinforcing agent is fumed white carbon black; the pigment is rose red; the solvent is 120# gasoline, coupled The agent is silane, and the release agent is surfactant sodium dodecylbenzenesulfonate.

[0048] Its production steps are as follows:

[0049] Step 1: Make mixed silica gel according to the conventional technology of rubber processin...

Embodiment 2

[0063] A kind of manufacturing process of aramid fiber-silicone rubber cloth:

[0064] The invention relates to a production method of aramid fiber-silicone rubber cloth, which is to coat the surface of the aramid fiber with a silicon compound coating by means of penetrating and two-roller rolling. Silicone compounded rubber is added with halogen-free flame retardants, reinforcing agents, solvents, pigments, and other modification additives during the mixing process; the silicon compounded rubber paste is formed by adding solvents and coupling agents after stirring; The halogen-free flame retardant is composed of antimony trioxide, magnesium hydroxide and aluminum hydroxide in a ratio of 1:5:9. The reinforcing agent is fumed white carbon black, the pigment is rose red; the solvent is 120# gasoline, the coupling agent is silane, and the release agent is surfactant sodium dodecylbenzenesulfonate.

[0065] Its production steps are as follows:

[0066] Step 1: Make mixed silica ...

Embodiment 3

[0081] A kind of manufacturing process of aramid fiber-silicone rubber cloth:

[0082] The invention relates to a production method of aramid fiber-silicone rubber cloth, which is to coat the surface of the aramid fiber with a silicon compound coating by means of penetrating and two-roller rolling. Silicone compounded rubber is added with halogen-free flame retardants, reinforcing agents, solvents, pigments, and other modification additives during the mixing process; the silicon compounded rubber paste is formed by adding solvents and coupling agents after stirring; The halogen-free flame retardant is composed of antimony trioxide, magnesium hydroxide and aluminum hydroxide in a ratio of 1:9:5. The reinforcing agent is fumed white carbon black, the pigment is rose red; the solvent is 120# gasoline, the coupling agent is silane, and the release agent is surfactant sodium dodecylbenzenesulfonate.

[0083] Its production steps are as follows:

[0084] Step 1: Make mixed silica ...

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Abstract

The invention relates to an aromatic polyamide fiber-silicone rubber cloth, a method for producing the same and an application thereof in the aspect of manufacturing a hose. The production method comprises the following steps that: silicone rubber virgin rubber is added with an auxiliary agent to be mixed into silicone gross rubber through a rubber refining machine; the silicone gross rubber is added with the auxiliary agent and a coupling agent to be stirred and prepared into silicone gross rubber paste; the silicone gross rubber paste is applied on the surface of an aromatic polyamide fiber cloth; sulfur treatment is performed; etc. The production method realizes direct adherence of the rubber and the surface of the aromatic polyamide fiber cloth by adoption of the method of adding the coupling agent in the silicone gross rubber. The product of the aromatic polyamide fiber-silicone rubber cloth produced by the method can meet the following performance indexes: the tensile strength of rubber materials is more than or equal to 6 MPa; the tear strength of the rubber materials is more than or equal to 30 N.mm<-1>; the adhesive strength between Ib rubber with flame-retardant property and a base-cloth layer is more than or equal to 3 N.mm<-1>; the service temperature is between 60 DEG C below zero and 200 DEG C; and the folding fatigue resistant time is more than or equal to 2 million times. The aromatic polyamide fiber-silicone rubber cloth is used for manufacturing various flexibly connected pipes and is a superior cloth for manufacturing a transition air channel hose of a pulling motor of a locomotive.

Description

technical field [0001] The invention relates to an aramid fiber-rubber composite material and a production method thereof, in particular to an aramid fiber-silicone rubber aramid fiber-silicone rubber cloth and a production method thereof, and also relates to an aramid fiber-silicone rubber cloth in soft Applications in pipe fabrication. Background technique [0002] The invention belongs to the integration of comprehensive technologies in the technical field of polymer composite materials. In recent years, the application range of polymer composite materials has become wider and wider to meet the increasing high performance requirements. Polymer material cloth is widely used. The polymer material cloth made of aramid fiber cloth and silicone rubber is a new type of environmentally friendly polymer material cloth. It is made of aramid fiber cloth (also known as "Nomex cloth") ) are coated with silicone rubber on both sides. The main chain of the silicone rubber molecule c...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06B3/10D06M15/693D06M11/79D06M11/82D06M13/358D06M13/432D06M101/36
Inventor 李林华肖云华
Owner 株洲市华丰复合材料有限公司
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