Preparation method of stratified-structure mineral reinforced rubber composite material

A technology of layered structure and reinforced rubber, which is applied in the preparation of layered structure mineral reinforced rubber composite materials and the field of layered structure mineral reinforced rubber composite materials, can solve the problem of uneven dispersion of fillers, pollution, easy to cause pollution, etc. problem, to achieve the effect of good dispersion

Active Publication Date: 2019-03-26
HEBEI UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For this reason, many people have also carried out related research, and there are many related patents. For example, ZL.201510612132.4 introduces a preparation method of low-temperature-resistant environmental-friendly chlorinated polyethylene rubber, which has better physical and mechanical properties and low-temperature brittleness. temperature, and reduce the production cost, but the rubber additives used are complicated, and the colloid is powdery, which is not easy to process and easy to cause pollution; ZL.201310110342.4 uses a mixing process to prepare a high-strength, high-tear resistance and extra-heavy-duty sheath rubber. This kind of process is likely to cause uneven dispersion of fillers and form a "hard core". At the same time, the preparation process takes a long time and the process is complicated; ZL.201510082106.5 invented a new type of odorless molecular weight regulator to replace the mercaptan used in e

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  • Preparation method of stratified-structure mineral reinforced rubber composite material
  • Preparation method of stratified-structure mineral reinforced rubber composite material

Examples

Experimental program
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Effect test

Embodiment 1

[0033] Nano organic modification of black talc mineral: Weigh 100g of black talc mineral with a particle size of D90 of 0.10mm and add it to a grinding tank, add 150g of grinding balls with a diameter of 10mm, 50ml of diluted hydrochloric acid with a mass percentage concentration of 10% and 50ml Water ethanol, set the ball mill speed to 1000rpm, after grinding for 2h, add 50g sodium dodecyl sulfonate, 1.0g silane coupling agent and aluminate coupling agent equal mass ratio to mix the organic modifier, Continue to grind under the same conditions for 2 hours, then suction filter, dry at 50°C, grind and pulverize, pass through a 250-mesh sieve, and mix to obtain organically modified nano-black talc mineral powder.

[0034] Preparation of organically modified nano-black talc mineral interspersed silicone rubber masterbatch: Add 100ml of liquid silicone rubber to the mixing tank, then add 20g of organically modified black talc mineral powder, 50ml of butyl acetate, and set the speed of...

Embodiment 2

[0040] Nano organic modification of mixed minerals with equal mass ratio of black talc and illite: Weigh 100g of mixed minerals with equal mass ratio of black talc and illite with a particle size D90 of 0.076mm and add it to the grinding jar, and add 200g of grinding balls with a diameter of 10mm , 75ml dilute sulfuric acid with a mass percentage concentration of 6% and 75ml absolute ethanol, set the ball mill speed to 500rpm, after grinding for 2.5h, add 60g sodium dodecylbenzene sulfonate and 10g titanate coupling agent into the ball mill Mix the organic modifier with the same mass ratio of cetyltrimethylammonium bromide, continue to grind under the same conditions for 2.5h, then suction filter, dry at 60℃, grind and crush, pass through a 250 mesh sieve, and mix to obtain Organically modified nano black talc and illite mixed mineral powder with equal mass ratio.

[0041] Preparation of organically modified nano black talc and illite mixed mineral interspersed nitrile rubber mas...

Embodiment 4

[0050] Nano-organic modification of kaolin minerals: Weigh 100g of kaolin minerals with a particle size D90 of 0.076mm and add them to a grinding tank, add 300g grinding balls with a diameter of 10mm, 50ml isopropanol and 50ml dilute sulfuric acid with a concentration of 3% by mass. Set the speed of the ball mill to 1200 rpm, and after grinding for 3 hours, add 100 g of dimethyl sulfoxide, 3 g of titanate coupling agent and silane coupling agent in an equal mass ratio, mix the organic modifier, and continue grinding under the same conditions After 3h, suction filtration, drying at 60°C, grinding and pulverizing, passing through a 250-mesh sieve, and mixing to obtain organically modified nano kaolin powder.

[0051] Preparation of organically modified nano-kaolin mineral interspersed chloroprene rubber masterbatch: Add 100ml of liquid chloroprene rubber to the mixing tank, then add 50g of organically modified kaolin, 75ml of butyl acetate, set the speed of the sand mill to 4000rpm,...

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Abstract

The invention relates to a preparation method of a stratified-structure mineral reinforced rubber composite material. The preparation method comprises the following steps: (1) carrying out nano-organic modification on a stratified-structure mineral; (2) preparing an organic modified nano-stratified-structure mineral inserted rubber master batch; (3) preparing the raw materials of an organic modified nano-stratified-structure mineral reinforced rubber composite material; and (4) preparing the organic modified nano-stratified-structure mineral reinforced rubber composite material, wherein the stratified-structure mineral is one or mixture of two of black talc, montmorillonite, kaolin and illite in the same mass ratio. According to the preparation method, the functional rubber composite material with excellent mechanical property, stable weather resistance and good warping strength and humidity resistance is prepared.

Description

Technical field [0001] The invention relates to a layered structure mineral reinforced rubber composite material, in particular to a preparation method of a layered structure mineral reinforced rubber composite material, and belongs to the field of material preparation. Background technique [0002] Rubber refers to a highly elastic polymer material with reversible deformation. It is elastic at room temperature and can produce greater deformation under a certain external force. It can be restored to its original state after the external force is removed. Because of its excellent elasticity, sealing and wear resistance, it is widely used in many fields such as tires, seals, and damping materials. In recent years, with the continuous development of the automobile industry, the requirements for various parts and components made of rubber as raw materials have continued to increase. Not only are they required to have good mechanical properties, but they also need to have excellent el...

Claims

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Application Information

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IPC IPC(8): C08L9/02C08L23/16C08L11/00C08L7/00C08L83/04C08L9/06C08K13/06C08K9/04C08K9/06C08K3/34C08J3/22
CPCC08J3/226C08J2307/00C08J2309/02C08J2311/00C08J2323/16C08J2409/02C08J2409/06C08J2411/00C08J2483/04C08K3/34C08K3/346C08K9/04C08K9/06C08K13/06C08K2201/003C08K2201/011
Inventor 汤庆国许子帅王磊王菲梁金生
Owner HEBEI UNIV OF TECH
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