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Lubrication plastic for sealing element

A seal and plastic technology, applied in the field of lubricating plastics for seals, can solve the problems of poor water resistance and strong hygroscopicity of APP, and achieve the effects of improving reactivity, water resistance, strong corrosion resistance, and good lubricity

Inactive Publication Date: 2015-09-09
HEFEI JIKE NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because of its good chemical stability, low hygroscopicity, excellent dispersibility, low density, and low toxicity, it is widely used in flame-retardant plastics, rubber, fibers and other fields; however, there is a common problem in the application process of APP at home and abroad. , that is, APP has poor water resistance and strong hygroscopicity.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A lubricating plastic for a seal, which is composed of the following raw materials in parts by weight:

[0024] Ethylene bis stearamide 4, ethylene glycol distearate 3, lithium naphthenate 0.3, mannitol 3, graphite powder 6, calcium oxide 2, caprylic capric triglyceride 17, sp-80 0.8, polyphosphoric acid Ammonium 106, glacial acetic acid 1.3, ethyl cellulose 1.3, ethyl orthosilicate 3, dodecafluoroheptylpropyltrimethoxysilane 20, 95% ethanol 30, 0.5mol / l aniline aqueous solution 200, peroxide Sodium 10, PVC 500.

[0025] A method for preparing a lubricating plastic for a seal, comprising the following steps:

[0026] (1) Add the above sp-80 to 15 times of water, stir evenly, add ethylene bisstearamide, keep stirring at 80°C for 30 minutes, add lithium naphthenate, stir to room temperature, and obtain a lubricating emulsion;

[0027] (2) Add the above 95% ethanol to a magnetic stirrer, add ethyl cellulose under stirring conditions, stir and dissolve to obtain a solutio...

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Abstract

The invention discloses lubrication plastic for a sealing element. Firstly, APP (ammonium polyphosphate) is subjected to surface coating with a sol-gel treatment process, surface strength and water resistance are improved, then polyaniline coating is performed, flame resistance and thermolysis are improved, and dispersibility and compatibility of an additive in the plastic are effectively improved.

Description

technical field [0001] The invention mainly relates to the field of materials, in particular to a lubricating plastic for a seal. Background technique [0002] Halogen-free, low-smoke, low-toxicity, high-efficiency and environmentally friendly flame retardants have always been the pursuit of people. The application and development of halogenated flame retardants and flame retardant materials has also invested a lot of effort. [0003] Phosphorus-based flame retardants mainly include red phosphorus flame retardants, inorganic phosphorus-based APP, ammonium dihydrogen phosphate, diammonium hydrogen phosphate, phosphate esters, and organic phosphorus-based non-halogen phosphates. Inorganic hydrates mainly include magnesium hydroxide, aluminum hydroxide, modified materials such as hydrotalcite, etc. APP and hydrotalcite are representative products of this series of environmentally friendly products with good market prospects; APP is a long-chain inorganic polymer containin...

Claims

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Application Information

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IPC IPC(8): C08L27/06C08L1/28C08K13/06C08K9/10C08K3/32C08K3/36C08K9/04C08K9/02C08K3/04C08G73/02
CPCC08L27/06C08G73/0266C08L2201/02
Inventor 徐明
Owner HEFEI JIKE NEW MATERIALS
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