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Colorized ethylene propylene terpolymer rubber sealing strip and preparation method thereof

A technology of EPDM rubber and sealing strip, applied in the field of rubber sealing strip, can solve the problem of the mismatch between paint and interior color around black EPDM rubber sealing strip, aging resistance and weather resistance of TPE/PVC color sealing strip Poor performance, pollution of curtain walls and car interiors, etc., to achieve the effect of good color matching effect, good aging resistance and weather resistance, and reduce the possibility of yellowing and discoloration

Active Publication Date: 2014-07-09
JIANGYIN HAIDA RUBBER & PLASTIC GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 1. The black EPDM sealing strip does not match the color of its surrounding paint and interior
[0006] 2. After the EPDM rubber sealing strip is used for a long time, the aromatic components in it will slowly precipitate out, causing the curtain wall and the car interior to be polluted, discolored, and yellowed, which will further affect the appearance
[0007] 3. The aging resistance and weather resistance of TPE / PVC color sealing strip are poor

Method used

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  • Colorized ethylene propylene terpolymer rubber sealing strip and preparation method thereof
  • Colorized ethylene propylene terpolymer rubber sealing strip and preparation method thereof
  • Colorized ethylene propylene terpolymer rubber sealing strip and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0073] A colored EPDM sealing strip, which is prepared from the raw materials with the following mass fractions:

[0074] EPDM rubber 90 parts

[0075] Composite mineral filler 160 parts

[0076] 60 parts of colorless paraffin oil

[0077] Toner 0.8 parts

[0078] Sulfur (S) 0.4 parts

[0079] Zinc di-n-butyldithiocarbamate (BZ) 1.2 parts

[0080] 2-Mercaptobenzothiazole (M) 1 part

[0081] Tetramethylthiuram disulfide (TMTD) 0.45 part

[0082] Zinc dimethyl dithiocarbamate (PZ) 0.6 part

[0083] 4,4'-dithiodimorpholine (DTDM) 2 parts

[0084] Zinc oxide 6 parts

[0085] Stearic acid 1.2 parts

[0086] Wherein the composite mineral filler is prepared from raw materials with the following mass fractions:

[0087] Aluminum silicate 90 parts

[0088] 45 parts diatomaceous earth

[0089] 19 parts of heavy calcium carbonate

[0090] White carbon black 4.5 parts

[0091] Zinc stearate 2.2 parts

[0092] 32 parts of titanium dioxide.

[0093] Physi...

Embodiment 2

[0098] A colored EPDM sealing strip, which is prepared from the raw materials with the following mass fractions:

[0099] EPDM rubber 92 parts

[0100] Composite mineral filler 165 parts

[0101] 64 parts of colorless paraffin oil

[0102] Toner 1 part

[0103] Sulfur (S) 0.3 parts

[0104] Zinc di-n-butyldithiocarbamate (BZ) 1 part

[0105] 2-Mercaptobenzothiazole (M) 0.8 parts

[0106] Tetramethylthiuram disulfide (TMTD) 0.3 parts

[0107] Zinc dimethyl dithiocarbamate (PZ) 0.4 parts

[0108] 0.9 parts of 4,4'-dithiodimorpholine (DTDM)

[0109] Zinc oxide 5 parts

[0110] 1 part stearic acid

[0111] Wherein the composite mineral filler is prepared from raw materials with the following mass fractions:

[0112] Aluminum silicate 92 parts

[0113] Diatomaceous earth 48 parts

[0114] 18 parts of heavy calcium carbonate

[0115] White carbon black 4 parts

[0116] Zinc stearate 2 parts

[0117] 30 parts of titanium dioxide.

[0118] Physical ...

Embodiment 3

[0123] A colored EPDM sealing strip, which is prepared from the raw materials with the following mass fractions:

[0124] EPDM rubber 100 parts

[0125] Composite mineral filler 180 parts

[0126] 80 parts of colorless paraffin oil

[0127] Toner 1.2 parts

[0128] Sulfur (S) 0.6 parts

[0129] Zinc di-n-butyldithiocarbamate (BZ) 2 parts

[0130] 2-Mercaptobenzothiazole (M) 1.5 parts

[0131] Tetramethylthiuram disulfide (TMTD) 0.8 parts

[0132] Zinc dimethyl dithiocarbamate (PZ) 0.2 parts

[0133] 0.8 parts of 4,4'-dithiodimorpholine (DTDM)

[0134] Zinc oxide 4 parts

[0135] 0.8 parts of stearic acid

[0136] Wherein the composite mineral filler is prepared from raw materials with the following mass fractions:

[0137] Aluminum silicate 100 parts

[0138] Diatomaceous earth 55 parts

[0139] 22 parts of heavy calcium carbonate

[0140] White carbon black 6 parts

[0141] Zinc stearate 1.8 parts

[0142] 28 parts of titanium dioxide.

[0...

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PUM

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Abstract

The invention relates to a colorized ethylene propylene terpolymer rubber sealing strip which is prepared from the following raw materials in parts by weight: 90-100 parts of ethylene propylene terpolymer rubber, 160-180 parts of complex mineral filler, 60-80 parts of colorless paroline, 0.8-1.2 part of toner, 0.3-0.6 part of sulfur, 1-2 parts of zinc dibutyldithiocarbamate, 0.8-1.5 part of 2-mercaptobenzothiazole, 0.3-0.8 part of tetramethyl thiuram disulfide, 0.2-0.6 part of Zinc dimethyldithiocarbamate, 0.8-2 parts of 4,4'-dithiodimorpholine, 4-6 parts of zinc oxide and 0.8-1.2 part of stearic acid. The colorized ethylene propylene terpolymer rubber sealing strip provided by the invention is easy for extruding production, and has the advantages that the color assortment effect is good, no aromatic hydrocarbon is separated out so that the attractive appearance is ensured, and the ageing resistance and the weather fastness are better.

Description

technical field [0001] The invention relates to a rubber sealing strip, in particular to a colored EPDM rubber sealing strip used for sealing building doors, windows, curtain walls and automobile doors and windows and a preparation method thereof. Background technique [0002] When installing building doors, windows, curtain walls and automobile doors and windows, rubber sealing strips need to be embedded around them to play the role of sound insulation, waterproof and sealing. Nowadays, most of the sealing strips are black, which does not match the color of the surrounding paint and interior, which affects the appearance. Moreover, because the black sealing strip uses carbon black as a filler for easy processing and molding, after a long period of use, the aromatic components in the carbon black will slowly precipitate out, causing the curtain wall and the car interior to be polluted, discolored, yellowed, and more Affect the appearance. [0003] Since no carbon black is ...

Claims

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Application Information

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IPC IPC(8): C08L23/16C08K13/02C08K3/06C08K5/01C08K5/39C08K5/47C08K5/40C08K5/378C08K3/22C08K5/09C08K3/34C08K3/26C08K3/36C08K5/098B29B7/00B29C35/02
CPCC08K2003/2241C08L23/16B29C35/02C08K2201/014C08L2201/08C08L91/06C08K13/02C08K3/06C08K5/39C08K5/47C08K5/40C08K5/378C08K2003/2296C08K5/09C08K3/34C08K2003/265C08K3/36C08K5/098
Inventor 庄澎贡健沈烨张存深沈少杰
Owner JIANGYIN HAIDA RUBBER & PLASTIC GROUP
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