CN105086037A - Antiskid wear-resistant tire composition and preparation method thereof - Google Patents

Abstract

The invention discloses an antiskid wear-resistant tire composition and a preparation method thereof. The antiskid wear-resistant tire composition is prepared from the following raw materials in parts by mass: 14-16 parts of silicon rubber, 12-18 parts of ethylene propylene diene monomer rubber, 4-8 parts of polyvinyl chloride, 2-5 parts of lead phosphite, 16-20 parts of hydrogenated butadiene-acrylonitrile rubber, 1-2 parts of rubber vulcanizer, 10-20 parts of high-dispersity white carbon black, 1-5 parts of nano zinc oxide, 5-7 parts of coupling agent, 4-6 parts of tackifying resin, 1-2 parts of accelerator NOBS, 0.5-1 part of accelerator CZ, 2-5 parts of aromatic oil and 1.3-2 parts of anti-aging agent H. The preparation method comprises the following steps of compounding, rubber sheet cooling, weight compounding and the like. The tire prepared from the composition has favorable wet grip ability, favorable dry grip ability and favorable wear resistance.

Description

A kind of anti-skid wearable tire composition and preparation method thereof

Technical field

The present invention relates to the technical field of rubber item, be specifically related to a kind ofly be used in anti-skid wearable tire composition on automobile and corresponding preparation method thereof.

Background technology

Tire is one of most important building block of automobile, and its Main Function is all wts of support unit, subjects the load of automobile, transmits the torsion of traction and braking, and ensure the sticking power on wheel and road surface, what tire was multiplex greatly is elastomeric material.Along with automobile at a high speed, the development in safe, energy-conservation, comfortableization direction, also improve year by year the requirement of tire high performance, this just has higher requirement to the wet-sliding resistant performance, wear resisting property etc. of tire.

Existing conventional tyre is poor in wet-sliding resistant performance, easily skids in rainy day road surface, causes serious potential safety hazard, major cause is that normal tyre tread hardness is high, and elasticity is low, wears no resistance, the tire used time limit reduces greatly, is thus necessary to improve its wear resistance while raising non-skid property.

Summary of the invention

An object of the present invention is the composition providing a kind of anti-skid wearable tire, and the tire obtained by said composition has wet earth-grasping force and dry earth-grasping force preferably, has again good wear resisting property simultaneously.

For achieving the above object, base case of the present invention is as follows: a kind of anti-skid wearable tire composition, be made up of the raw material of following mass fraction: 14 ~ 16 parts, silicon rubber, terpolymer EP rubber 12 ~ 18 parts, polyvinyl chloride 4 ~ 8 parts, Lead Phosphite, Dibasic (Coated) 2 ~ 5 parts, hydrogenation nitrile rubber 16 ~ 20 parts, vulcanizer 1 ~ 2 part, high-dispersion white carbon black 10 ~ 20 parts, nano zine oxide 1 ~ 5 part, coupling agent 5 ~ 7 parts, tackifying resin 4 ~ 6 parts, accelerant NOBS 1 ~ 2 part, accelerant CZ 0.5 ~ 1 part, aromatic hydrocarbon oil 2 ~ 5 parts, antioxidant H 1.3-2 part.

The beneficial effect of this base case is: adopt 14 ~ 16 parts, silicon rubber, terpolymer EP rubber 12 ~ 18 parts and hydrogenation nitrile rubber 16 ~ 20 parts, such proportioning makes the wear resistance of rubber good, slow down aging, promote sizing material wet-sliding resistant performance, make tire have good physical and mechanical properties; Adopt high-dispersion white carbon black 10 ~ 20 parts, coupling agent 5 ~ 7 parts, such proportioning can reduce sizing material wood Buddhist nun viscosity, improves reinforcing effect, improves tensile strength; The collocation of nano zine oxide and high-dispersion white carbon black can strengthen non-skid property, abrasion resistance; Tackifying resin can increase compound viscosity, reduces sizing material and beats glue difficulty, improve sizing material viscosity, sizing material wear resistance is obviously promoted; The reaction bonded of silicon rubber, terpolymer EP rubber, hydrogenation nitrile rubber and tackifying resin, coupling agent can reduce hysteresis loss, improves earth-grasping force, improves tear-resistant performance; Adding of accelerant NOBS and accelerant CZ, can wearability be improved, reduce curing time, increase cross-linking efficiency; Adding of aromatic hydrocarbon oil and high-dispersion white carbon black, this rubber combination can be made to have good anti-slippery.The doughnut obtained by said composition, has wet earth-grasping force preferably, improves wetland driving safety coefficient, have good abrasion resistance simultaneously, improve the comprehensive use properties of tire.

Preferred version 1 on base case is, be made up of the raw material of following mass fraction: 15 parts, silicon rubber, terpolymer EP rubber 16 parts, polyvinyl chloride 5 parts, Lead Phosphite, Dibasic (Coated) 4 parts, hydrogenation nitrile rubber 20 parts, vulcanizer 1 part, high-dispersion white carbon black 14 parts, nano zine oxide 3 parts, coupling agent 5 parts, tackifying resin 4 parts, accelerant NOBS 1 part, accelerant CZ 0.5 part, aromatic hydrocarbon oil 3 parts, antioxidant H 1.5 parts, adopting the component of above-mentioned number, is the best number scheme that raw material of the present invention is chosen.

Preferred version 2 on base case or preferred version 1 is that described coupling agent is the combination of silane coupling agent kh570 and Si-69.

Two of object of the present invention is the preparation method providing a kind of anti-skid wearable tire composition, comprises the steps:

The first step: drop into the silicon rubber of 14-16 part, 12 ~ 18 parts terpolymer EP rubber, the hydrogenation nitrile rubber of 16-20 part, 4-8 part polyvinyl chloride, the Lead Phosphite, Dibasic (Coated) of 2-5 part, the antioxidant H of 1.3-2 part and 4 ~ 6 parts the mixing 5-10min of tackifying resin, melting temperature 181-190 DEG C, pressure 0.65-0.75Mpa, mixingly obtains film;

Second step: by gained film fan cooling 6h, naturally cooling 12h;

3rd step: the film cooled by second step, mixes the coupling agent mixing 30-40 second of the nano zine oxide of 1 ~ 5 part, the aromatic hydrocarbon oil of 2 ~ 5 parts, the high-dispersion white carbon black of 10 ~ 20 parts and 5 ~ 7 parts, melting temperature 90-110 DEG C, pressure 0.56-0.64Mpa;

4th step: the product that the 3rd step obtains is carried weight mixing 100-200 second, melting temperature 156-165 DEG C, pressure 0.51-0.59Mpa;

5th step: the product fan cooling 8h that the 4th step is obtained, naturally cooling 16h;

6th step: the vulcanizer of Product mix 1-2 part that the 5th step is obtained, the accelerant CZ of 0.5 ~ 1 part, the accelerant NOBS mixing 80-100 second of 1 ~ 2 part, melting temperature 95-115 DEG C, pressure 0.51-0.59Mpa;

7th step: the product fan cooling 8h that the 6th step is obtained, naturally cooling 16h.

Principle and the advantage of this preparation method are: preparation method of the present invention is by being first prepared into film by corresponding raw material, film successively, cooling mutually mixing with other components, weight is the mixing and operation such as cooling repeatedly again, the conditions such as suitable mixing time, melting temperature and pressure are chosen in mixing process, cooling employing is air-cooled to combine with naturally cooling, thus can guarantee that in step, each several part of product reacts completely and mutually disperses thoroughly.

Embodiment

Embodiment 1

Material component: 15 parts, silicon rubber, terpolymer EP rubber 16 parts, polyvinyl chloride 5 parts, Lead Phosphite, Dibasic (Coated) 4 parts, hydrogenation nitrile rubber 20 parts, vulcanizer 1 part, high-dispersion white carbon black 14 parts, nano zine oxide 3 parts, coupling agent 5 parts, tackifying resin 4 parts, accelerant NOBS 1 part, accelerant CZ 0.5 part, aromatic hydrocarbon oil 3 parts, antioxidant H 1.5 parts.

Preparation process:

The first step: number corresponding in input material component: silicon rubber, terpolymer EP rubber, hydrogenation nitrile rubber, polyvinyl chloride, Lead Phosphite, Dibasic (Coated), antioxidant H and the mixing 5-10min of tackifying resin, melting temperature 181-190 DEG C, pressure 0.65-0.75Mpa, mixingly obtains film;

Second step: by gained film fan cooling 6h, naturally cooling 12h;

3rd step: the film that second step is cooled, in mixing raw material component corresponding number nano zine oxide, aromatic hydrocarbon oil, high-dispersion white carbon black and coupling agent mixing 30-40 second, melting temperature 90-110 DEG C, pressure 0.56-0.64Mpa;

4th step: the product that the 3rd step obtains is carried weight mixing 100-200 second, melting temperature 156-165 DEG C, pressure 0.51-0.59Mpa;

5th step: the product fan cooling 8h that the 4th step is obtained, naturally cooling 16h;

6th step: the vulcanizer of corresponding number in the Product mix material component that the 5th step is obtained, accelerant CZ, accelerant NOBS mixing 80-100 second, melting temperature 95-115 DEG C, pressure 0.51-0.59Mpa;

7th step: the product fan cooling 8h that the 6th step is obtained, naturally cooling 16h.

Embodiment 2

Material component: 14 parts, silicon rubber, terpolymer EP rubber 12 parts, polyvinyl chloride 4 parts, Lead Phosphite, Dibasic (Coated) 2 parts, hydrogenation nitrile rubber 16 parts, vulcanizer 1 part, high-dispersion white carbon black 10 parts, nano zine oxide 1 part, coupling agent 5 parts, tackifying resin 4 parts, accelerant NOBS 1 part, accelerant CZ 0.5 part, aromatic hydrocarbon oil 2 parts, antioxidant H 1.3 parts.

Preparation method is with embodiment 1.

Embodiment 3

Material component: 16 parts, silicon rubber, terpolymer EP rubber 18 parts, polyvinyl chloride 8 parts, Lead Phosphite, Dibasic (Coated) 5 parts, hydrogenation nitrile rubber 20 parts, vulcanizer 2 parts, high-dispersion white carbon black 20 parts, nano zine oxide 5 parts, coupling agent 7 parts, tackifying resin 6 parts, accelerant NOBS 2 parts, accelerant CZ 1 part, aromatic hydrocarbon oil 5 parts, antioxidant H 2 parts.

Preparation method is with embodiment 1.

The key technical indexes in the tire of the rubber combination adopting embodiment 1-embodiment 3 obtained and conventional tyre contrast experiment:

The tire of the rubber combination that the present invention is obtained by embodiment 1-embodiment 3 carries out traveling test, common tire compared by this tire, smooth ride on the glass surface having water, " last person " is not breakked away not in braking, tire is dissected test piece contrast hardness test result and is shown: conventional tyre test piece hardness is 69-76 Shao Er, the tire test piece of embodiment 1-embodiment 3 is 58-60 Shao Er, can find out in conjunction with upper table, skid defied tire rubber combination of the present invention is in rolling resistance, wet earth-grasping force, wear-resistant aspect is all better than in conventional tyre, and in other technical indicator, the tire of embodiment 1-embodiment 3 is all better than conventional tyre, wherein, the product effect of embodiment 1 is best, be better than embodiment 3, and the product of embodiment 3 is better than embodiment 2, in sum, adopt the tire that rubber combination of the present invention is obtained, there is wet earth-grasping force preferably, improve wetland driving safety coefficient, there is good abrasion resistance simultaneously, and be all significantly increased in other comprehensive use propertieies of tire.

Above-described is only embodiments of the invention, and in scheme, the general knowledge such as known characteristic does not do too much description at this.It should be pointed out that for a person skilled in the art, under the premise of not departing from the present invention, can also make some distortion and improvement, these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.The protection domain that this application claims should be as the criterion with the content of its claim, and the embodiment in specification sheets etc. record the content that may be used for explaining claim.

Claims (4)

1. an anti-skid wearable tire composition, it is characterized in that, be made up of the raw material of following mass fraction: 14 ~ 16 parts, silicon rubber, terpolymer EP rubber 12 ~ 18 parts, polyvinyl chloride 4 ~ 8 parts, Lead Phosphite, Dibasic (Coated) 2 ~ 5 parts, hydrogenation nitrile rubber 16 ~ 20 parts, vulcanizer 1 ~ 2 part, high-dispersion white carbon black 10 ~ 20 parts, nano zine oxide 1 ~ 5 part, coupling agent 5 ~ 7 parts, tackifying resin 4 ~ 6 parts, accelerant NOBS 1 ~ 2 part, accelerant CZ 0.5 ~ 1 part, aromatic hydrocarbon oil 2 ~ 5 parts, antioxidant H 1.3-2 part.

2. anti-skid wearable tire composition according to claim 1, it is characterized in that, be made up of the raw material of following mass fraction: 15 parts, silicon rubber, terpolymer EP rubber 16 parts, polyvinyl chloride 5 parts, Lead Phosphite, Dibasic (Coated) 4 parts, hydrogenation nitrile rubber 20 parts, vulcanizer 1 part, high-dispersion white carbon black 14 parts, nano zine oxide 3 parts, coupling agent 5 parts, tackifying resin 4 parts, accelerant NOBS 1 part, accelerant CZ 0.5 part, aromatic hydrocarbon oil 3 parts, antioxidant H 1.5 parts.

3. anti-skid wearable tire composition according to claim 1 and 2, is characterized in that, described coupling agent is the combination of silane coupling agent kh570 and Si-69.

4. the preparation method of anti-skid wearable tire composition according to claim 1, is characterized in that, comprise the following steps:

The first step: drop into the silicon rubber of 14-16 part, 12 ~ 18 parts terpolymer EP rubber, the hydrogenation nitrile rubber of 16-20 part, 4-8 part polyvinyl chloride, the Lead Phosphite, Dibasic (Coated) of 2-5 part, the antioxidant H of 1.3-2 part and 4 ~ 6 parts the mixing 5-10min of tackifying resin, melting temperature 181-190 DEG C, pressure 0.65-0.75Mpa, mixingly obtains film;

Second step: by gained film fan cooling 6h, naturally cooling 12h;

3rd step: the film cooled by second step, mixes the coupling agent mixing 30-40 second of the nano zine oxide of 1 ~ 5 part, the aromatic hydrocarbon oil of 2 ~ 5 parts, the high-dispersion white carbon black of 10 ~ 20 parts and 5 ~ 7 parts, melting temperature 90-110 DEG C, pressure 0.56-0.64Mpa;

4th step: the product that the 3rd step obtains is carried weight mixing 100-200 second, melting temperature 156-165 DEG C, pressure 0.51-0.59Mpa;

5th step: the product fan cooling 8h that the 4th step is obtained, naturally cooling 16h;

6th step: the vulcanizer of Product mix 1-2 part that the 5th step is obtained, the accelerant CZ of 0.5 ~ 1 part, the accelerant NOBS mixing 80-100 second of 1 ~ 2 part, melting temperature 95-115 DEG C, pressure 0.51-0.59Mpa;

7th step: the product fan cooling 8h that the 6th step is obtained, naturally cooling 16h.