CN103980585A - Lightweight rubber sole material and preparation method thereof - Google Patents

Abstract

The invention discloses a lightweight rubber sole material which is characterized by comprising the following components in parts by weight: 25-35 parts of a labeling adhesive, 25-35 parts of butadiene rubber, 35-45 parts of styrene-butadiene rubber, 40-60 parts of an elastomer M500, 30-40 parts of white carbon black, 0.5-1.5 parts of diethylene glycol, 3-7 parts of zinc oxide, 1-3 parts of a stearic acid, 1.5-2 parts of a promoter, 0.5-1 part of an antiager MB, 1-1.5 parts of an antiager SP, 1-3 parts of sulfur, and 0.01-0.03 part of a promoter TT. According to the lightweight rubber sole material disclosed by the invention, an original molecular structure is destroyed by plasticating implemented by using an open mill, so that the plasticity of rubber is improved, and the density of rubber is reduced; and through adding the low-density elastomer, the elasticity of a rubber sole is increased, and the overall density of the sole is lowered.

Description

A kind of lightweight rubber soles material and preparation method thereof

Technical field

The present invention relates to a kind of field of rubber soles, relate in particular to a kind of field of lightweight rubber soles material.

Background technology

Snappiness, lightweight are the developing direction of current rubber soles material, although elastomeric material elasticity is stronger, but mass ratio is heavier, in order to reach the object of lighting, majority is to adopt the materials such as EVA to replace elastomeric material to solve light-weighted problem at present, but although EVA foamed shoe sole, PU sole quality are light, anti-slip effect poor, aging fast, cost is also higher.

Summary of the invention

Goal of the invention: the object of the invention is to for the deficiencies in the prior art, a kind of good springiness is provided, be difficult for aging, the simultaneously lightweight rubber soles material of very light weight, and prepare the method for this material.

Technical scheme: lightweight rubber soles material of the present invention comprises following component:

25 ~ 35 parts, mark glue;

25 ~ 35 parts of cis-1,4-polybutadiene rubbers;

35 ~ 45 parts, styrene-butadiene rubber(SBR);

40 ~ 60 parts of elastomerics M500;

30 ~ 40 parts of white carbon blacks;

0.5 ~ 1.5 part of glycol ether;

3 ~ 7 parts, zinc oxide;

1 ~ 3 part of stearic acid;

1.5 ~ 2 parts of promotor;

0.5 ~ 1 part of antioxidant MB;

1 ~ 1.5 part of antioxidant SP;

1 ~ 3 part, sulphur;

0.01 ~ 0.03 part of promotor TT

In weight part.

As preferably, lightweight rubber soles material of the present invention comprises following component:

30 parts, mark glue;

30 parts of cis-1,4-polybutadiene rubbers;

40 parts, styrene-butadiene rubber(SBR);

50 parts of elastomerics M500;

35 parts of white carbon blacks;

1 part of glycol ether;

5 parts, zinc oxide;

2 parts of stearic acid;

1.8 parts of promotor;

0.8 part of antioxidant MB;

1.2 parts of antioxidant SPs;

2 parts, sulphur;

0.02 part of promotor TT.

The preparation method of lightweight elastomeric material of the present invention comprises the following steps:

1. open refining: mark glue is put into mill by weight and open refining, mill roll spacing 0.8 ~ 1mm, thin-pass 10 times, cooling 1 hour, the cis-1,4-polybutadiene rubber, styrene-butadiene rubber(SBR) that adds weight part meter thin-pass 6 times again;

2. banburying: send out the blend glue stuff after refining and each component that all the other prepare by weight into Banbury mixer banburying, Banbury mixer temperature is 115 ~ 125 DEG C, banburying 1 ~ 3 minute;

3. cooling: by the material compressing tablet obtaining after banburying, to put into cooling tank cooling 12 hours;

4. sulfuration: cooling good material is put into vulcanizer sulfuration, 145 ~ 150 DEG C of curing temperatures, 500 ~ 550 seconds time, board pressure 15 ~ 18Mpa.

Beneficial effect: (1) lightweight rubber soles of the present invention material is plasticated and destroyed sizing material original molecule structure by mill, improves the plasticity-of rubber, reduces rubber density; (2) by adding the elastomerics that density is less, improve the elasticity of rubber soles, reduce the global density of sole.(3) lightweight rubber soles material of the present invention has kept the advantages such as the original resistance to deterioration of rubber.

Embodiment

Below by specific embodiment, technical solution of the present invention is elaborated, but protection scope of the present invention is not limited to described embodiment.

The raw material using in the embodiment of the present invention is commercially available prod, originates as follows: mark glue (Dongguan Nan Guan sheet rubber company limited); Cis-1,4-polybutadiene rubber (Dongguan Nan Guan sheet rubber company limited); Styrene-butadiene rubber(SBR) (Dongguan Nan Guan sheet rubber company limited); Elastomerics M500(Dongguan City silver dollar plastic cement trade Co., Ltd); White carbon black (Guangzhou Li Ben rubber raw materials company limited); Glycol ether (Bo Zhen Chemical Co., Ltd. of Foshan City); Zinc oxide (hundred million trade Co., Ltd's product indirect method 99.7% zinc whites are opened up in Guangzhou); Stearic acid (reported in Tianhe district of Guangzhou grand sight intelligence industry Chemicals 1801 stearic acid); Promotor (Shanghai Mei Hua Chemical Co., Ltd. produces captax and altax mixed accelerators); Antioxidant MB (Shandong Sheng'Ao Chemical Co., Ltd); Antioxidant SP (Shandong Sheng'Ao Chemical Co., Ltd); Sulphur (SINOPEC Beijing Yanshan Mountain Chemical Co., Ltd.); Promotor TT(Shanghai Mei Hua Chemical Co., Ltd.).

embodiment 1:25 parts of weight part meter mark glue are put into mill and open refining, mill roll spacing 0.8, thin-pass 10 times, cooling 1 hour, adds 25 parts of cis-1,4-polybutadiene rubbers of weight part meter, 35 parts of styrene-butadiene rubber(SBR) thin-pass 6 times again; Add 40 parts of weight part meter elastomerics M500,30 parts of white carbon blacks, 0.5 part of glycol ether, 3 parts, zinc oxide, stearic acid 1,1.5 parts of promotor, 0.5 part of antioxidant MB, 1 part of antioxidant SP, 1 part, sulphur, promotor TT0.01 part to send into Banbury mixer banburying the blend glue stuff of opening after refining, Banbury mixer temperature is 115 DEG C, banburying 1 minute; By the material compressing tablet obtaining after banburying, put into cooling tank cooling 12 hours; Cooling good material is put into vulcanizer sulfuration, 145 DEG C of curing temperatures, and 500 seconds time, board pressure 15Mpa, obtains described lightweight rubber soles material.

embodiment 2:35 parts of weight part meter mark glue are put into mill and open refining, mill roll spacing 1mm, thin-pass 10 times, cooling 1 hour, adds 35 parts of cis-1,4-polybutadiene rubbers of weight part meter, 45 parts of styrene-butadiene rubber(SBR) thin-pass 6 times again; Add 60 parts of weight part meter elastomerics M500,40 parts of white carbon blacks, 1.5 parts of glycol ethers, 7 parts, zinc oxide, 3 parts of stearic acid, 2 parts of promotor, 1 part of antioxidant MB, 1.5 parts of antioxidant SPs, 3 parts, sulphur, promotor TT0.03 part to send into Banbury mixer banburying the blend glue stuff of opening after refining, Banbury mixer temperature is 125 DEG C, banburying 3 minutes; By the material compressing tablet obtaining after banburying, put into cooling tank cooling 12 hours; Cooling good material is put into vulcanizer sulfuration, 150 DEG C of curing temperatures, and 550 seconds time, board pressure 18Mpa, obtains described lightweight rubber soles material.

embodiment 3:30 parts of weight part meter mark glue are put into mill and open refining, mill roll spacing 0.9mm, thin-pass 10 times, cooling 1 hour, adds 30 parts of cis-1,4-polybutadiene rubbers of weight part meter, 40 parts of styrene-butadiene rubber(SBR) thin-pass 6 times again; Add 50 parts of weight part meter elastomerics M500,35 parts of white carbon blacks, 1 part of glycol ether, 5 parts, zinc oxide, 2 parts of stearic acid, 1.8 parts of promotor, 0.8 part of antioxidant MB, 1.2 parts of antioxidant SPs, 2 parts, sulphur, promotor TT0.02 part to send into Banbury mixer banburying the blend glue stuff of opening after refining, Banbury mixer temperature is 120 DEG C, banburying 2 minutes; By the material compressing tablet obtaining after banburying, put into cooling tank cooling 12 hours; Cooling good material is put into vulcanizer sulfuration, 148 DEG C of curing temperatures, and 520 seconds time, board pressure 16Mpa, obtains described lightweight rubber soles material.

Lightweight rubber soles material of the present invention and existing material for sole of shoe performance comparison result are in table 1.

Table 1 embodiment 1-3 and current material product detected result.

Product	Elongation (%)	Powerful (Mpa)	Density	Abrasion	Hardness
						Existing elastomeric material	600	11.6	1.4	0.42	64
Embodiment 1	615	11.4	0.96	0.41	60
						Embodiment 2	610	11.6	0.98	0.43	61
Embodiment 3	620	11.8	0.95	0.45	58

As mentioned above, although represented and explained the present invention with reference to specific preferred embodiment, it shall not be construed as the restriction to the present invention self.Not departing under the spirit and scope of the present invention prerequisite of claims definition, can make in the form and details various variations to it.

Claims (3)

1. a lightweight rubber soles material, is characterized in that comprising following component:

25 ~ 35 parts, mark glue;

25 ~ 35 parts of cis-1,4-polybutadiene rubbers;

35 ~ 45 parts, styrene-butadiene rubber(SBR);

40 ~ 60 parts of elastomerics M500;

30 ~ 40 parts of white carbon blacks;

0.5 ~ 1.5 part of glycol ether;

3 ~ 7 parts, zinc oxide;

1 ~ 3 part of stearic acid;

1.5 ~ 2 parts of promotor;

0.5 ~ 1 part of antioxidant MB;

1 ~ 1.5 part of antioxidant SP;

1 ~ 3 part, sulphur;

0.01 ~ 0.03 part of promotor TT

In weight part.

2. lightweight rubber soles material according to claim 1, is characterized in that comprising following component:

30 parts, mark glue;

30 parts of cis-1,4-polybutadiene rubbers;

40 parts, styrene-butadiene rubber(SBR);

50 parts of elastomerics M500;

35 parts of white carbon blacks;

1 part of glycol ether;

5 parts, zinc oxide;

2 parts of stearic acid;

1.8 parts of promotor;

0.8 part of antioxidant MB;

1.2 parts of antioxidant SPs;

2 parts, sulphur;

0.02 part of promotor TT.

3. the preparation method of lightweight rubber soles material according to claim 1, is characterized in that comprising the following steps:

1. open refining: mark glue is put into mill by weight and open refining, mill roll spacing 0.8 ~ 1mm, thin-pass 10 times, cooling 1 hour, the cis-1,4-polybutadiene rubber, styrene-butadiene rubber(SBR) that adds weight part meter thin-pass 6 times again;

2. banburying: send out the blend glue stuff after refining and each component that all the other prepare by weight into Banbury mixer banburying, Banbury mixer temperature is 115 ~ 125 DEG C, banburying 1 ~ 3 minute;

3. cooling: by the material compressing tablet obtaining after banburying, to put into cooling tank cooling 12 hours;

4. sulfuration: cooling good material is put into vulcanizer sulfuration, 145 ~ 150 DEG C of curing temperatures, 500 ~ 550 seconds time, board pressure 15 ~ 18Mpa.