CN103951861A - Flame-retardant shoe sole material and preparation method thereof - Google Patents

Abstract

The invention discloses a flame-retardant shoe sole material which is characterized by comprising the following components: 90-110 parts of chloroprene rubber, 40-60 parts of carbon black, 15-25 parts of dibutyl ester, 4-8 parts of antimony trioxide, 10-20 parts of chlorinated paraffin, 3-7 parts of zinc white, 1-2 parts of stearic acid, 0.5-1.5 parts of accelerator M, 1-2 parts of accelerator DM, 0.5-1.5 parts of anti-aging agent 4010, 0.5-1.5 parts of anti-aging agent RD, 0.5-1.5 parts of sulfur, 1-5 parts of magnesia and 0.6-1 part of accelerator NA-22. The preparation method comprises the following steps: plastifying, banburying, open milling, cooling, vulcanizing and the like. Various additives are added into the chloroprene rubber and treated, so that the shoe sole material can effectively retard flame when contacting an ignition source and prevent the danger due to combustion of the shoe sole.

Description

A kind of flame retardant shoes bottom material and preparation method thereof

Technical field

The present invention relates to a kind of field of material for sole of shoe, relate in particular to a kind of field of flame retardant shoes bottom material.

Background technology

Chloroprene rubber is a kind of by mass-produced synthetic rubber compound.It is very wide that neoprene latex is made range of application, be mainly used at home and the industry such as the decorations of communal facility, woodenware industry, shoemaking industry on.Neoprene latex has the various features such as cohesive strength is high, snappiness is strong, and resistance to medium is good, elasticity is good.

But the non-constant of the thermotolerance of chloroprene rubber, meets just burning of fire, and produces a large amount of smog.A lot of special work posts, such as firefighter, due to needs Long Term Contact burning things which may cause a fire disaster, the sole meeting of using chloroprene rubber to make is abnormally dangerous.

Summary of the invention

Goal of the invention: the object of the invention is to for the deficiencies in the prior art, provide a kind of and can prevent fires and can keep flame retardant shoes bottom material of the own advantage of rubber and preparation method thereof.

Technical scheme: flame retardant shoes bottom material of the present invention comprises following component:

90 ~ 110 parts of chloroprene rubbers;

40 ~ 60 parts of carbon blacks;

15 ~ 25 parts of dibutylesters;

4 ~ 8 parts of antimonous oxides;

10 ~ 20 parts of clorafins;

3 ~ 7 parts of zinc whites;

1 ~ 2 part of stearic acid;

0.5 ~ 1.5 part of captax;

1 ~ 2 part of altax;

0.5 ~ 1.5 part of antioxidant 4010;

0.5 ~ 1.5 part of anti-aging agent RD;

0.5 ~ 1.5 part, sulphur;

1 ~ 5 part, magnesium oxide;

0.6 ~ 1 part of accelerant N A-22

In weight part.

As preferably, flame retardant shoes bottom material of the present invention comprises following component:

100 parts of chloroprene rubbers;

50 parts of carbon blacks;

20 parts of dibutylesters;

6 parts of antimonous oxides;

15 parts of clorafins;

5 parts of zinc whites;

1.5 parts of stearic acid;

1 part of captax;

1.5 parts of altaxs;

1 part of antioxidant 4010;

1 part of anti-aging agent RD;

1 part, sulphur;

3 parts, magnesium oxide;

0.8 part of accelerant N A-22.

The preparation method of flame retardant shoes bottom material of the present invention comprises the following steps:

1. plasticate: chloroprene rubber is put into plasticator by weight and carry out machinery and plasticate;

2. banburying: the chloroprene rubber of having plasticated and each component that all the other prepare are by weight sent into Banbury mixer banburying, and Banbury mixer temperature is 105 ~ 115 ℃, air pressure 0.7 ~ 0.8kg, 5 ~ 9 minutes banburying time;

3. open refining: the material obtaining is sent into mill and open refining, 90 ~ 100 ℃ of mixing temperatures, 15mm2 time, 1mm2 time after 2. step is processed;

4. cooling: the material of handling well to be weighed, put into footwear mould cooling 12 hours;

5. sulfuration: cooling good material is put into vulcanizer sulfuration, 150 ~ 155 ℃ of curing temperatures, time 350-400 second, board pressure 150 ~ 160Mpa.

Beneficial effect: material for sole of shoe of the present invention adds various additives processes to process in chloroprene rubber both can be effectively fire-retardant when contact burning things which may cause a fire disaster, prevent that sole burning from causing danger, can keep again that chloroprene rubber cost is low, elasticity strong, degree of cohering high.

Embodiment

Below 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: chloroprene rubber (Shanghai Ji Wei rubber Science and Technology Ltd.); Carbon black (Guangzhou Li Ben rubber raw materials company limited); Dibutylester (Shijiazhuang City Ju Baiguang Chemical Industry Science Co., Ltd); Antimonous oxide (Shangyu city Fine Chemical Works); Clorafin (Wuxi City Xin Su grease company limited); Zinc white (Guangzhou Tuo Yi trade Co., Ltd product indirect method 99.7% zinc white); Stearic acid (reported in Tianhe district of Guangzhou grand sight intelligence industry Chemicals 1801 stearic acid); Captax (Shanghai Mei Hua Chemical Co., Ltd.); Altax (Shanghai Mei Hua Chemical Co., Ltd.); Antioxidant 4010 (Shandong Sheng'Ao Chemical Co., Ltd); Anti-aging agent RD (Shandong Sheng'Ao Chemical Co., Ltd); Sulphur (SINOPEC Beijing Yanshan Mountain Chemical Co., Ltd.); Magnesium oxide (Shijiazhuang City Ju Baiguang Chemical Industry Science Co., Ltd); Accelerant N A-22(Shanghai Mei Hua Chemical Co., Ltd.).

embodiment 1:the chloroprene rubber that is 90 parts by weight part is put into plasticator and is carried out machinery and plasticate; The chloroprene rubber of having plasticated and 40 parts of carbon blacks, 15 parts of dibutylesters, 4 parts of antimonous oxides, 10 parts of clorafins, 3 parts of zinc whites, 1 part of stearic acid, 0.5 part of captax, 1 part of altax, 0.5 part of antioxidant 4010,0.5 part of anti-aging agent RD, 0.5 part of sulphur, 1 part of magnesium oxide, 0.6 part of accelerant N A-22 are prepared by weight and send into Banbury mixer banburying, Banbury mixer temperature is 105 ℃, air pressure 0.7kg, 5 minutes banburying time; The material obtaining after banburying is sent into mill and open refining, 90 ℃ of mixing temperatures, 15mm2 time, 1mm2 time; The material of handling well is weighed, put into footwear mould cooling 12 hours; Cooling good material is put into vulcanizer sulfuration, 150 ℃ of curing temperatures, 350 seconds time, board pressure 150Mpa, obtains described flame retardant shoes bottom material.

embodiment 2:the chloroprene rubber that is 110 parts by weight part is put into plasticator and is carried out machinery and plasticate; The chloroprene rubber of having plasticated and 60 parts of carbon blacks, 25 parts of dibutylesters, 8 parts of antimonous oxides, 20 parts of clorafins, 7 parts of zinc whites, 2 parts of stearic acid, 1.5 parts of captaxs, 2 parts of altaxs, 1.5 parts of antioxidant 4010s, 1.5 parts of anti-aging agent RDs, 1.5 parts of sulphur, 5 parts of magnesium oxide, 1 part of accelerant N A-22 are prepared by weight and send into Banbury mixer banburying, Banbury mixer temperature is 115 ℃, air pressure 0.8kg, 9 minutes banburying time; The material obtaining after banburying is sent into mill and open refining, 100 ℃ of mixing temperatures, 15mm2 time, 1mm2 time; The material of handling well is weighed, put into footwear mould cooling 12 hours; Cooling good material is put into vulcanizer sulfuration, 155 ℃ of curing temperatures, 400 seconds time, board pressure 160Mpa, obtains described flame retardant shoes bottom material.

embodiment 3:the chloroprene rubber that is 100 parts by weight part is put into plasticator and is carried out machinery and plasticate; The chloroprene rubber of having plasticated and 50 parts of carbon blacks, 20 parts of dibutylesters, 6 parts of antimonous oxides, 15 parts of clorafins, 5 parts of zinc whites, 1.5 parts of stearic acid, 1 part of captax, 1.5 parts of altaxs, 1 part of antioxidant 4010,1 part of anti-aging agent RD, 1 part of sulphur, 3 parts of magnesium oxide, 0.8 part of accelerant N A-22 are prepared by weight and send into Banbury mixer banburying, Banbury mixer temperature is 110 ℃, air pressure 0.75kg, 7 minutes banburying time; The material obtaining after banburying is sent into mill and open refining, 95 ℃ of mixing temperatures, 15mm2 time, 1mm2 time; The material of handling well is weighed, put into footwear mould cooling 12 hours; Cooling good material is put into vulcanizer sulfuration, 152 ℃ of curing temperatures, 370 seconds time, board pressure 155Mpa, obtains described flame retardant shoes bottom material.

Flame retardant shoes bottom material of the present invention and existing sole performance comparison result are in Table 1.

Table 1 embodiment 1-3 and existing material for sole of shoe product performance detected result.

Product	Antioxygen index (%)	Tensile yield (%)	Wear rate (%)
				Existing EVA material	19	510	0.5
Embodiment 1	25.5	510	0.51
				Embodiment 2	25.2	513	0.49
Embodiment 3	27.6	520	0.52

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 flame retardant shoes bottom material, is characterized in that comprising following component:

90 ~ 110 parts of chloroprene rubbers;

40 ~ 60 parts of carbon blacks;

15 ~ 25 parts of dibutylesters;

4 ~ 8 parts of antimonous oxides;

10 ~ 20 parts of clorafins;

3 ~ 7 parts of zinc whites;

1 ~ 2 part of stearic acid;

0.5 ~ 1.5 part of captax;

1 ~ 2 part of altax;

0.5 ~ 1.5 part of antioxidant 4010;

0.5 ~ 1.5 part of anti-aging agent RD;

0.5 ~ 1.5 part, sulphur;

1 ~ 5 part, magnesium oxide;

0.6 ~ 1 part of accelerant N A-22

In weight part.

2. flame retardant shoes bottom material according to claim 1, is characterized in that comprising following component:

100 parts of chloroprene rubbers;

50 parts of carbon blacks;

20 parts of dibutylesters;

6 parts of antimonous oxides;

15 parts of clorafins;

5 parts of zinc whites;

1.5 parts of stearic acid;

1 part of captax;

1.5 parts of altaxs;

1 part of antioxidant 4010;

1 part of anti-aging agent RD;

1 part, sulphur;

3 parts, magnesium oxide;

0.8 part of accelerant N A-22.

3. the preparation method of flame retardant shoes bottom material according to claim 1, is characterized in that comprising the following steps:

1. plasticate: chloroprene rubber is put into plasticator by weight and carry out machinery and plasticate;

2. banburying: the chloroprene rubber of having plasticated and each component that all the other prepare are by weight sent into Banbury mixer banburying, and Banbury mixer temperature is 105 ~ 115 ℃, air pressure 0.7 ~ 0.8kg, 5 ~ 9 minutes banburying time;

3. open refining: the material obtaining is sent into mill and open refining, 90 ~ 100 ℃ of mixing temperatures, 15mm2 time, 1mm2 time after 2. step is processed;

4. cooling: the material of handling well to be weighed, put into footwear mould cooling 12 hours;

5. sulfuration: cooling good material is put into vulcanizer sulfuration, 150 ~ 155 ℃ of curing temperatures, time 350-400 second, board pressure 150 ~ 160Mpa.