CN103756055A - Butadiene-acrylonitrile rubber cup - Google Patents

Abstract

The invention discloses a butadiene-acrylonitrile rubber cup. The butadiene-acrylonitrile rubber cup is prepared from following raw materials, by weight, 95 to 100 parts of butadiene-acrylonitrile rubber N250S, 2 to 3 parts of 1-hydroxyethylidene-1,1-diphosphonic acid, 1 to 2 parts of mannitol, 4 to 6 parts of gibbsite, 1 to 2 parts of polybenzimidazole, 1 to 2 parts of copper sulphate, 5 to 7 parts of talc, 1 to 2 parts of dibutyl xanthogen disulfide, 1 to 2 parts of anti-aging agent 688, 0.9 to 1.4 parts of vulcanizing agent MOCA, 6 to 9 parts of 2,2'-ethylenedioxydiethyl bis(2-ethylhexanoate), 14 to 20 parts of carbon black, 2 to 4 parts of maleic acid di-n-butyl ester, and 10 to 14 parts of a composite filling material. The composite material is added into the butadiene-acrylonitrile rubber cup, so that properties, such as wear resistance and tear resistance of finished products are improved greatly, entire mechanical properties are increased, and quality is improved.

Description

A kind of paracril leather cup

Technical field

The present invention relates generally to auto parts machinery field, relates in particular to a kind of paracril leather cup.

Background technology

At present, automotive hydraulic brake rubber cup is the rubber seal that plays transmission of pressure and sealing function for the brake fluid system of car, Light-duty Vehicle, minibus, part bogie and clutch operating system, and rubber cup is a kind of one of important rubber product of function that is widely used in rubber item.

Summary of the invention

The object of the invention is just to provide a kind of paracril leather cup.

The present invention is achieved by the following technical solutions:

A kind of paracril leather cup, it is comprised of the raw material of following weight parts:

Paracril N250S 95-100,1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 2-3, N.F,USP MANNITOL 1-2, gibbsite 4-6, polybenzimidazole 1-2, copper sulfate 1-2, talcum powder 5-7, di n butyl xanthogen disulfide 1-2, anti-aging agent 688 1-2, vulcanizing agent MOCA0.9-1.4, triethylene glycol two 2-ethylhexoate 6-9, carbon black 14-20, dibutyl maleate 2-4, compounded mix 10-14;

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

Black earth 30-35, Kaolinite 10-14, chromium carbonate 2-3, sepiolite powder 4-6, tripoly phosphate sodium STPP 1-2, N.F,USP MANNITOL 2-3, dodecanedioic acid 0.6-1, water are appropriate;

Above-mentioned black earth, sepiolite powder are mixed, at 600-700 ℃, calcine 1-2 hour, cooling discharging, adds N.F,USP MANNITOL, mixes, and obtains Preblend; Tripoly phosphate sodium STPP is joined in 6-10 times of water, after stirring, add chromium carbonate, Kaolinite, 100-200 rev/min of dispersed with stirring 4-6 minute, mix with above-mentioned Preblend, after stirring, add the each raw material of residue, mixed grinding, dry, cross 80-100 mesh sieve, obtain described compounded mix.

A preparation method for paracril leather cup, comprises the following steps:

Above-mentioned paracril N250S, talcum powder, gibbsite, carbon black, compounded mix are mixed, drop in Banbury mixer, the 10-16 minute that plasticates at 70-75 ℃, adds in Banbury mixer after discharge is cooling, add the each raw material except di n butyl xanthogen disulfide, vulcanizing agent MOCA, mixing 10-20 minute, mixing rear slice is parked 20-24 hour, obtains film, add mill, add the each raw material of residue, vulcanize, obtain described paracril leather cup.

Advantage of the present invention is:

The compounded mix that rubber cup sizing material of the present invention adds has improved resistance to abrasion, tear strength of finished product etc. greatly, has strengthened overall mechanical property, has improved quality.

Embodiment

Embodiment 1

A kind of paracril leather cup, it by following weight parts (kilogram) raw material form:

Paracril N250S 100,1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 2, N.F,USP MANNITOL 2, gibbsite 6, polybenzimidazole 2, copper sulfate 1, talcum powder 5, di n butyl xanthogen disulfide 1, anti-aging agent 688 2, vulcanizing agent MOCA1.4, triethylene glycol two 2-ethylhexoates 9, carbon black 20, dibutyl maleate 4, compounded mix 14;

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

Black earth 35, Kaolinite 14, chromium carbonate 3, sepiolite powder 4, tripoly phosphate sodium STPP 2, N.F,USP MANNITOL 2, dodecanedioic acid 0.6, water are appropriate;

Above-mentioned black earth, sepiolite powder are mixed, calcine 1 hour at 700 ℃, cooling discharging, adds N.F,USP MANNITOL, mixes, and obtains Preblend; Tripoly phosphate sodium STPP is joined in 10 times of water, after stirring, add chromium carbonate, Kaolinite, 200 revs/min of dispersed with stirring 6 minutes, mix with above-mentioned Preblend, after stirring, add the each raw material of residue, mixed grinding, dry, cross 100 mesh sieves, obtain described compounded mix.

A preparation method for paracril leather cup, comprises the following steps:

Above-mentioned paracril N250S, talcum powder, gibbsite, carbon black, compounded mix are mixed, drop in Banbury mixer, at 75 ℃, plasticate 16 minutes, after discharge is cooling, add in Banbury mixer, add the each raw material except di n butyl xanthogen disulfide, vulcanizing agent MOCA, mixing 20 minutes, mixing rear slice was parked 24 hours, obtains film, add mill, add the each raw material of residue, vulcanize, obtain described paracril leather cup.

Performance test:

Tensile strength: 24.7Mpa;

Fracture elongation rate 413%;

(50 ℃) coefficient >=0.4 of resisting cold;

23 ℃ × 72h biofuel weathering test: tensile strength 22.8 Mpa, fracture elongation rate are 400%;

Ozone resistance: 500pphm × 40 ℃ × 70h, 20% flawless phenomenon stretches.

Claims (2)

1. a paracril leather cup, is characterized in that what it was comprised of the raw material of following weight parts:

Paracril N250S 95-100,1-Hydroxy Ethylidene-1,1-Diphosphonic Acid 2-3, N.F,USP MANNITOL 1-2, gibbsite 4-6, polybenzimidazole 1-2, copper sulfate 1-2, talcum powder 5-7, di n butyl xanthogen disulfide 1-2, anti-aging agent 688 1-2, vulcanizing agent MOCA0.9-1.4, triethylene glycol two 2-ethylhexoate 6-9, carbon black 14-20, dibutyl maleate 2-4, compounded mix 10-14;

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

Black earth 30-35, Kaolinite 10-14, chromium carbonate 2-3, sepiolite powder 4-6, tripoly phosphate sodium STPP 1-2, N.F,USP MANNITOL 2-3, dodecanedioic acid 0.6-1, water are appropriate;

Above-mentioned black earth, sepiolite powder are mixed, at 600-700 ℃, calcine 1-2 hour, cooling discharging, adds N.F,USP MANNITOL, mixes, and obtains Preblend; Tripoly phosphate sodium STPP is joined in 6-10 times of water, after stirring, add chromium carbonate, Kaolinite, 100-200 rev/min of dispersed with stirring 4-6 minute, mix with above-mentioned Preblend, after stirring, add the each raw material of residue, mixed grinding, dry, cross 80-100 mesh sieve, obtain described compounded mix.

2. a preparation method for paracril leather cup as claimed in claim 1, is characterized in that comprising the following steps:

Above-mentioned paracril N250S, talcum powder, gibbsite, carbon black, compounded mix are mixed, drop in Banbury mixer, the 10-16 minute that plasticates at 70-75 ℃, adds in Banbury mixer after discharge is cooling, add the each raw material except di n butyl xanthogen disulfide, vulcanizing agent MOCA, mixing 10-20 minute, mixing rear slice is parked 20-24 hour, obtains film, add mill, add the each raw material of residue, vulcanize, obtain described paracril leather cup.