CN103740009A - Front and rear wheel antiwear oil sealing for automobile - Google Patents

Abstract

The invention discloses a front and rear wheel antiwear oil sealing for automobile, which comprises the following raw materials by weight: 96-100 parts of fluorubber F26, 4-5 parts of isotactic polypropylene resin, 0.2-0.3 parts of tribasic lead sulphate, 2-3 parts of aluminium dihydrogen phosphate, 10-13 parts of expanded perlite, 3-4 parts of nano fluorite powder, 3-4 parts of palm wax, 1-2 parts of methyl-2,2-dithienylglycolate, 1-2 parts of N,N'-m-phenylenedimaleimide, 0.9-1 part of sulphur, 3-6 parts of di-n-octyl phthalate, 1-2 parts of 2,6- butylated hydroxytoluene, 1-2 parts of promoter CBS and 14-20 parts of composite filling material. According to the invention, antiwear oil sealing and the isotactic polypropylene resin are combined, wear resistant frequency of the products can be effectively increased, the products enable difficult deformation and damage during long-term usage process, so that usage life of the products can be prolonged.

Description

The wear-resistant oil sealing of a kind of automobile front and back wheel

Technical field

The present invention relates generally to auto parts machinery field, relates in particular to the wear-resistant oil sealing of a kind of automobile front and back wheel.

Background technology

Viton is ageing-resistant, heat-resisting, and oil resistant is almost applicable to all lubricating oil, oil fuel, gasoline, containing being difficult for sclerosis in the oil of extreme-pressure additive, but winter hardiness, high temperature abrasion resistance are poor, and permanent compression set is larger, is applicable to temperature-20～250 ℃.Be mainly used in high temperature resistant oil sealing as engine oil seal etc., therefore add auxiliary agent to improve the over-all properties of viton, can strengthen the use range of viton.

Summary of the invention

The object of the invention is just to provide the wear-resistant oil sealing of a kind of automobile front and back wheel.

The present invention is achieved by the following technical solutions:

The wear-resistant oil sealing of a kind of automobile front and back wheel, it is comprised of the raw material of following weight parts:

Viton F2696-100, isotatic polypropylene resin 4-5, lead sulfate tribasic 0.2-0.3, aluminium dihydrogen phosphate 2-3, pearlstone 10-13, nanometer Fluorspar Powder 3-4, palm wax 3-4,2,2-dithienyl methyl glycolate 1-2, N, N '-penylene bismaleimides 1-2, sulphur 0.9-1, dinoctyl phthalate 3-6,2,6 ditertiary butyl p cresol 1-2, accelerator CBS 1-2, compounded mix 14-20;

Described compounded mix is comprised of the raw material of following weight parts:

Black earth 32-40, lithium bentonite 6-10, brominated Polystyrene 2-4, sodium silicoaluminate 2-3, naphthenic oil 1-2, Zirconium tetrafluoride 0.1-0.4, boric acid 0.6-1;

Above-mentioned black earth is mixed with lithium bentonite, at 600-700 ℃, calcine 1-2 hour, after cooling discharging, mix with Zirconium tetrafluoride, pulverize, add brominated Polystyrene, naphthenic oil, 200-300 rev/min of dispersed with stirring 5-6 minute, adds the each raw material of residue, seasoning after stirring, obtains described compounded mix.

A preparation method for the wear-resistant oil sealing of automobile front and back wheel, comprises the following steps:

Above-mentioned viton F26 and isotatic polypropylene mixed with resin are put into Banbury mixer and carry out banburying, temperature 105-110 ℃, the time is 1-3min; Add the each raw material except sulphur, accelerator CBS, continue banburying 8-12 minute, when temperature reaches 95-100 ℃, start discharge, after discharge, park cooling 24-30 hour; In input mill, add the each raw material of residue, thin-pass 6-8 is all over obtaining the wear-resistant oil sealing of described automobile front and back wheel.

Advantage of the present invention is:

The wear-resistant oil sealing of automobile front and back wheel of the present invention is combined with isotatic polypropylene resin-phase, can effectively increase the abrasion resistance of product, not yielding and damage in long-term use procedure, thereby has extended work-ing life of product.

Embodiment

Embodiment 1

A kind of automobile front and back wheel wear-resistant oil sealing, it by following weight parts (kilogram) raw material form:

Viton F26100, isotatic polypropylene resin 4, lead sulfate tribasic 0.3, aluminium dihydrogen phosphate 3, pearlstone 13, nanometer Fluorspar Powder 4, palm wax 4,2,2-dithienyl methyl glycolate 1, N, a N '-penylene bismaleimides 1, sulphur 0.9, dinoctyl phthalate 3,2,6 ditertiary butyl p cresol 1, accelerator CBS 2, compounded mix 20;

Described compounded mix is comprised of the raw material of following weight parts:

Black earth 40, lithium bentonite 10, brominated Polystyrene 2, sodium silicoaluminate 3, naphthenic oil 2, Zirconium tetrafluoride 0.1, boric acid 0.6;

Above-mentioned black earth is mixed with lithium bentonite, at 700 ℃, calcine 1 hour, after cooling discharging, mix with Zirconium tetrafluoride, pulverize, add brominated Polystyrene, naphthenic oil, 300 revs/min of dispersed with stirring 6 minutes, add the each raw material of residue, seasoning after stirring, obtains described compounded mix.

A preparation method for the wear-resistant oil sealing of automobile front and back wheel, comprises the following steps:

Above-mentioned viton F26 and isotatic polypropylene mixed with resin are put into Banbury mixer and carry out banburying, 110 ℃ of temperature, the time is 1min; Add nucite, 2-bromo-4-methylphenol, boron oxide, epoxidation tri-glyceride, continue banburying 6 minutes, add the each raw material except sulphur, accelerator CBS, continue banburying 12 minutes, when temperature reaches 100 ℃, start discharge, after discharge, park cooling 30 hours; In input mill, add the each raw material of residue, thin-pass obtains the wear-resistant oil sealing of described automobile front and back wheel for 8 times.

Performance test:

Claims (2)

1. the wear-resistant oil sealing of automobile front and back wheel, is characterized in that what it was comprised of the raw material of following weight parts:

Viton F26 96-100, isotatic polypropylene resin 4-5, lead sulfate tribasic 0.2-0.3, aluminium dihydrogen phosphate 2-3, pearlstone 10-13, nanometer Fluorspar Powder 3-4, palm wax 3-4,2,2-dithienyl methyl glycolate 1-2, N, N '-penylene bismaleimides 1-2, sulphur 0.9-1, dinoctyl phthalate 3-6,2,6 ditertiary butyl p cresol 1-2, accelerator CBS 1-2, compounded mix 14-20;

Described compounded mix is comprised of the raw material of following weight parts:

Black earth 32-40, lithium bentonite 6-10, brominated Polystyrene 2-4, sodium silicoaluminate 2-3, naphthenic oil 1-2, Zirconium tetrafluoride 0.1-0.4, boric acid 0.6-1;

Above-mentioned black earth is mixed with lithium bentonite, at 600-700 ℃, calcine 1-2 hour, after cooling discharging, mix with Zirconium tetrafluoride, pulverize, add brominated Polystyrene, naphthenic oil, 200-300 rev/min of dispersed with stirring 5-6 minute, adds the each raw material of residue, seasoning after stirring, obtains described compounded mix.

2. a preparation method for the wear-resistant oil sealing of automobile front and back wheel as claimed in claim 1, is characterized in that comprising the following steps:

Above-mentioned viton F26 and isotatic polypropylene mixed with resin are put into Banbury mixer and carry out banburying, temperature 105-110 ℃, the time is 1-3min; Add the each raw material except sulphur, accelerator CBS, continue banburying 8-12 minute, when temperature reaches 95-100 ℃, start discharge, after discharge, park cooling 24-30 hour; In input mill, add the each raw material of residue, thin-pass 6-8 is all over obtaining the wear-resistant oil sealing of described automobile front and back wheel.