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Rubber sealing ring composition

A technology of rubber sealing ring and composition is applied in the field of rubber sealing ring composition, which can solve the problem that the rubber sealing ring cannot have high oil resistance at the same time, and achieve the effect of high temperature resistance and air tightness

Inactive Publication Date: 2016-07-06
吴军
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of the above problems, the present invention provides a rubber sealing ring composition, which solves the problem that common rubber sealing rings cannot have high oil resistance, high heat resistance and shock resistance and wear resistance at the same time

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A rubber sealing ring composition, whose raw materials in parts by weight include: 40 parts of nitrile rubber, 15 parts of fluorine rubber, 2.5 parts of accelerator, 1 part of high styrene resin, 4 parts of talcum powder, and 1 part of zinc monomethacrylate , 5 parts of stearic acid, 38 parts of abrasion-resistant carbon black, 2 parts of calcium sulfate, 3 parts of dibutyl phthalate, 5 parts of sulfur, 4 parts of glue, 1 part of antioxidant RD, 1 part of rhinestone wax, 4 -4'-Dimorpholine disulfide 0.8 parts

Embodiment 2

[0015] A rubber sealing ring composition, the raw materials of which include 55 parts by weight of nitrile rubber, 25 parts of fluorine rubber, 2.5 parts of accelerator, 1 part of high styrene resin, 8 parts of talcum powder, 4 parts of zinc monomethacrylate , 5 parts of stearic acid, 49 parts of wear-resistant carbon black, 6 parts of calcium sulfate, 7 parts of dibutyl phthalate, 5 parts of sulfur, 4 parts of glue, 3 parts of antioxidant RD, 3 parts of rhinestone wax, 4 parts -4'-Dimorpholine disulfide 1.8 parts

Embodiment 3

[0017] A rubber sealing ring composition, the raw materials of which include 50 parts by weight of nitrile rubber, 20 parts of fluorine rubber, 2.3 parts of accelerator, 2 parts of high styrene resin, 6 parts of talcum powder, and 3 parts of zinc monomethacrylate , 4 parts of stearic acid, 45 parts of abrasion-resistant carbon black, 4 parts of calcium sulfate, 5 parts of dibutyl phthalate, 8 parts of sulfur, 6 parts of glue, 2 parts of antioxidant RD, 2 parts of rhinestone wax, 4 parts -4'-Dimorpholine disulfide 1.4 parts

[0018] A rubber sealing ring composition, the preparation process includes the following steps:

[0019] (1) Put nitrile rubber, fluororubber, high styrene resin, talc, zinc monomethacrylate, stearic acid, abrasion-resistant carbon black, and calcium sulfate into the internal mixer according to the above weight parts. Complete mixing at -85℃ to obtain rubber compound;

[0020] (2) Put the sizing material mentioned in step (1) into an open mill, and then add the...

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PUM

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Abstract

The invention discloses a rubber sealing ring composition. The a rubber sealing ring composition is prepared from nitrile rubber, fluororubber, a promoter, high styrene resin, powdered steatile, zinc monomethacrylate, stearic acid, wear resistant carbon black, calcium sulfate, dibutyl phthalate, sulphur, Gum easy, an antiager RD, Antilux wax and 4, 4'-dithiodimorpholine according to a certain weight part ratio. The rubber sealing ring composition has characteristics of wear resistance, heat resistance, shock resistance, fatigue resistance, high temperature resistance and good gas tightness.

Description

Technical field [0001] The invention relates to the field of rubber preparation, in particular to a rubber sealing ring composition. Background technique [0002] Existing rubber sealing rings are required to have higher hardness and lower compression permanent deformation. At the same time, according to different usage requirements, the sealing rings also have related requirements in terms of oil resistance, heat resistance and air sealing. Summary of the invention [0003] In view of the above problems, the present invention provides a rubber sealing ring composition, which solves the problem that commonly used rubber sealing rings cannot simultaneously have high oil resistance, high heat resistance, and shock and wear resistance. [0004] In order to solve the above problems, the technical solution adopted by the present invention is: a rubber sealing ring composition, the raw materials of which comprise by weight: 40-55 parts of nitrile rubber, 15-25 parts of fluorine rubber, 2-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L9/02C08L27/12C08L25/04C08K13/02C08K3/34C08K5/098C08K5/09C08K3/04C08K3/30C08K5/12
Inventor 吴军
Owner 吴军
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