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Low-cost and high-wear-resistance TPR modified material and preparation method thereof

A modified material and high wear-resistant technology, which is applied in the field of low-cost and high wear-resistant TPR modified material and its preparation, can solve the problems of decreased elongation at break, difficult entry of polystyrene, phase separation, etc., to achieve Increased tensile strength, good air permeability, improved dispersion effect

Active Publication Date: 2015-03-25
GUANGDONG GUOLI SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the molecular weight of polystyrene is much larger than the polystyrene block in SBS, it is difficult for polystyrene to enter the polystyrene microdomain in SBS, and only the third term can be formed, which destroys the original phase structure. Phase separation will occur, resulting in a decrease in elongation at break

Method used

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  • Low-cost and high-wear-resistance TPR modified material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] A low-cost and highly wear-resistant TPR modified material consists of the following substances by weight:

[0057] Oil-filled SBS 25 parts

[0058] SBS 10 copies

[0059] Recycled polystyrene material 10 parts

[0060] Butadiene-styrene copolymer 8 parts

[0061] Calcium carbonate 20 parts

[0062] 1 part anti-wear agent

[0063] 0.3 parts of yellow petroleum resin

[0064] 12 parts white mineral oil

[0065] Zinc stearate 0.1 part.

[0066] Wherein, the wear-resistant agent is prepared from oil-extended SBS: wear-resistant glue: zinc stearate in parts by weight of 58:38:1.5 with a twin-screw extruder.

[0067] The oil-extended SBS is prepared by mixing SBS, white mineral oil and polystyrene in a weight ratio of 100:40:35.

[0068] The reclaimed polystyrene recycled materials are purchased from the market.

[0069] A method for preparing a low-cost and high-wear-resistant TPR modified material, comprising the following steps:

[0070] Step 1, mixing and stirr...

Embodiment 2

[0074] A low-cost and highly wear-resistant TPR modified material consists of the following substances by weight:

[0075] Oil-filled SBS 35 parts

[0076] 5 copies of SBS

[0077] Recycled polystyrene material 20 parts

[0078] Butadiene-styrene copolymer 3 parts

[0079] Nano calcium carbonate 30 parts

[0080] Wear-resisting agent 0.5 parts

[0081] 0.8 parts of yellow petroleum resin

[0082] 12 parts white mineral oil

[0083] Zinc stearate 0.1 parts.

[0084] Wherein, the wear-resistant agent is prepared by mixing oil-extended SBS: wear-resistant rubber: zinc stearate at a ratio of 62:42:0.8 by weight and using a twin-screw extruder.

[0085] The oil-extended SBS is prepared by mixing SBS, white mineral oil and polystyrene in a weight ratio of 100:40:35.

[0086] The reclaimed polystyrene recycled materials are purchased from the market.

[0087] A method for preparing a low-cost and high-wear-resistant TPR modified material, comprising the following steps:

[...

Embodiment 3

[0092] A low-cost and highly wear-resistant TPR modified material consists of the following substances by weight:

[0093] Oil-filled SBS 28 parts

[0094] 8 copies of SBS

[0095] Recycled polystyrene material 15 parts

[0096] Butadiene-styrene copolymer 8 parts

[0097] Calcium carbonate 22 parts

[0098] 1 part anti-wear agent

[0099] 0.5 parts of yellow petroleum resin

[0100] 8 parts white mineral oil

[0101] Zinc stearate 0.5 part.

[0102] Wherein, the wear-resistant agent is prepared by mixing oil-extended SBS: wear-resistant rubber: zinc stearate in a ratio of 60:40:1 by weight and using a twin-screw extruder.

[0103] The oil-extended SBS is prepared by mixing SBS, white mineral oil and polystyrene in a weight ratio of 100:40:35.

[0104] The reclaimed polystyrene recycled materials are purchased from the market.

[0105] A method for preparing a low-cost and high-wear-resistant TPR modified material, comprising the following steps:

[0106] Step 1, mix...

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Abstract

The invention relates to the technical field of TPR modified materials, and specifically relates to a low-cost and high-wear-resistance TPR modified material and a preparation method thereof. The low-cost and high-wear-resistance TPR modified material is composed of the following substances: oil-extended SBS, SBS, recycled polystyrene material, a styrene-butadiene copolymer, calcium carbonate, a wear-resistant agent, yellow petroleum resin, white mineral oil and zinc stearate, wherein SBS, recycled polystyrene material, zinc stearate and white mineral oil are mixed at first, oil-extended SBS and calcium carbonate are blended into master batch by virtue of a plastic mixing mill, and finally all the materials are mixed together. The method is economical and environment-friendly; the cost of the raw materials is lowered, and polystyrene wastes are recycled; the obtained TPR shoe material is high in softness and good in wear resistance; the preparation method is capable of effectively solving the problem of poor blending performance between the recycled polystyrene material and SBS, and the obtained material is excellent in performances.

Description

technical field [0001] The invention relates to the technical field of TPR modified materials, in particular to a low-cost and high wear-resistant TPR modified material and a preparation method thereof. Background technique [0002] Due to its light weight, shock absorption, low moisture absorption, easy molding and low price, polystyrene foam is widely used in the packaging of instruments, household appliances, handicrafts and other vulnerable valuables and fast food. Most of these packaging materials are for one-time use, and the amount of waste gas is huge. And because polystyrene has the characteristics of aging resistance and corrosion resistance, it cannot degrade and disappear by itself, thus causing increasingly serious pollution to the environment. [0003] Recycling polystyrene is an effective way to prevent and control its environmental pollution. However, due to the high molecular rigidity of polystyrene, its products have poor flexibility and high brittleness,...

Claims

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Application Information

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IPC IPC(8): C08L53/02C08L25/06C08L25/10C08K13/02C08K3/26C08K5/098C08K5/01
Inventor 吴海波
Owner GUANGDONG GUOLI SCI & TECH CO LTD
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