High-toughness plastic rubber

A high-toughness, rubber technology, applied in the field of office supplies, can solve the problems of easy breakage, waste, poor toughness, etc., and achieve the effect of improving toughness

Inactive Publication Date: 2016-11-16
吴东华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, there are many types of rubber on the market, most of which hav

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Embodiment 1—high tenacity plastic rubber

[0012] The raw materials used are as follows: 600g of natural rubber, 150g of phenolic resin, 80g of rosin polymer, 10g of nano-silicon carbide, 40g of sodium sulfate, 50g of sodium tripolyphosphate, 50g of sodium silicate, 8g of sodium bicarbonate and 30g of pigment;

[0013] Its specific preparation method is: mix the above-mentioned raw materials uniformly at 95°C according to a predetermined ratio, then put them into a mold, and bake them into shape.

[0014] Find through test, the toughness of the product rubber that present embodiment makes shows as: impact strength is 36KJ / m 2 .

Embodiment 2

[0015] Embodiment 2—high tenacity plastic rubber

[0016] The raw materials used are as follows: 750g of natural rubber, 100g of phenolic resin, 70g of rosin polymer, 50g of nano-silicon carbide, 10g of sodium sulfate, 60g of sodium tripolyphosphate, 10g of sodium silicate, 10g of sodium bicarbonate and 20g of pigment;

[0017] Its specific preparation method is: mix the above-mentioned raw materials uniformly at 95°C according to a predetermined ratio, then put them into a mold, and bake them into shape.

[0018] Find through test, the toughness of the product rubber that present embodiment makes shows as: impact strength is 35KJ / m 2 .

Embodiment 3

[0019] Embodiment 3—high tenacity plastic rubber

[0020] The raw materials used are as follows: 680g of natural rubber, 110g of phenolic resin, 50g of rosin polymer, 30g of nano-silicon carbide, 50g of sodium sulfate, 80g of sodium tripolyphosphate, 40g of sodium silicate, 5g of sodium bicarbonate and 40g of pigment;

[0021] Its specific preparation method is: mix the above-mentioned raw materials uniformly at 100°C according to a predetermined ratio, then put them into a mold, and bake them into shape.

[0022] Find through test, the toughness of the product rubber that present embodiment makes shows as: impact strength is 35KJ / m 2 .

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Abstract

The invention discloses a high-toughness plastic rubber, which belongs to the technical field of office supplies. The present invention is made of the following raw materials in parts by weight: 60-75 parts of natural rubber, 0.5-1 part of polyethylene glycol stearate, 1-5 parts of bone glue, 1-5 parts of cetyl alcohol, hydroxyl 5-8 parts of acetic acid, 5-8 parts of carboxyacetic acid, 5-10 parts of limonene, 0.5-1 part of sodium bicarbonate and 2-4 parts of pigment. The present invention is by adding a certain proportion of polyethylene glycol stearate, bone glue, cetyl alcohol, glycolic acid, carboxyacetic acid, limonene and sodium bicarbonate (especially glycolic acid, combination of carboxyacetic acid and limonene), so as to effectively improve the decontamination effect of the product rubber.

Description

technical field [0001] The invention belongs to the technical field of office supplies, in particular to a high-toughness plastic rubber. Background technique [0002] Eraser, also known as eraser, glue wipe, glue wipe, paper wipe glue, glue wipe cloth, is a kind of stationery for wiping off graphite or ink traces on paper. [0003] At present, there are many types of rubbers on the market, most of which have poor toughness and are prone to breakage during use, resulting in a lot of waste. Contents of the invention [0004] The technical problem to be solved by the present invention is to provide a high-toughness plastic rubber. [0005] In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: [0006] Adopt the raw material of following parts by weight to make: [0007] 60-75 parts of natural rubber, 10-15 parts of phenolic resin, 5-8 parts of rosin polymer, 1-5 parts of nano-silicon carbide, 1-5 pa...

Claims

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Application Information

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IPC IPC(8): C08L7/00C08L61/06C08L93/04C08K13/02C08K3/34C08K3/32C08K3/30
CPCC08L7/00C08K2201/011C08K2201/014C08L2205/03C08L61/06C08L93/04C08K13/02C08K3/34C08K2003/324C08K2003/3045
Inventor 吴东华
Owner 吴东华
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