CN104194058A - Flame-retardant plastic packing and preparation method thereof - Google Patents

Abstract

The invention discloses a flame-retardant plastic packing, which is prepared from the following raw materials in parts by weight: 3-5 parts of superfine porous silicon dioxide, 2-3 parts of nanoscale antimony trioxide, 1-2 parts of epoxy octyl stearate, 0.4-0.6 part of ethylene glycol monostearate, 0.2-0.3 part of avocado oil, 0.3-0.4 part of tragacanth gum, 2-3 parts of nano-iron slag, 200-220 parts of lightweight calcium carbonate, 5-9 parts of auxiliaries and 20-30 parts of water. Nanoscale antimony trioxide is added in the filler, so that the flame-retardant property of plastics can be improved; calcium carbonate is modified by using epoxy ethylhexyl stearate, ethylene glycol monostearate, avocado oil and tragacanth gum, so that the lipophilicity of calcium carbonate can be improved, and the reinforcement effect is good; through the auxiliaries, the dispersity and self-lubrication property of the packing can be improved.

Description

A kind of flame retardant resistance plastic cement filler and preparation method thereof

Technical field

The invention belongs to plastic cement field, particularly a kind of flame retardant resistance plastic cement filler and preparation method thereof.

Background technology

Plastic cement application is very extensive, is parts indispensable in household electrical appliances, automobile, mobile phone, PC, medicine equipment, electric lighting.China's economy has realized steady and stabilized growth in recent years, the industries such as household electrical appliances, automobile, mobile phone, PC, medicine equipment are benefited from good outside atmosphere and have also been realized fast development, the development of downstream industry has further pulled the demand to plastic cement, but compare with Foreign Advanced Lerel, still there is certain gap in China's synthetic resin industry, more domestic high-end product quantity can not be met the need of market, and quality also haves much room for improvement and improves.The performance deficiency that at present plastic cement exists shows the aspects such as wear resistance, ageing-resistant, oil resistant, high temperature resistant, intensity, chemical stability, flexural strength, creep property, need to constantly improve.Improved approach has the improvement of pair raw material, technique, and also having is exactly to improve by adding filler, and the performance of filler has been improved the performance of plastic cement to a certain extent, so the improvement technique of research filler is very important.

Summary of the invention

The object of the present invention is to provide a kind of flame retardant resistance plastic cement filler and preparation method thereof, this filler can improve the flame retardant properties of plastic cement, has improved the lipophilicity of calcium carbonate, and reinforcing effect is good.

Technical scheme of the present invention is as follows:

A flame retardant resistance plastic cement filler, is characterized in that being made by the raw material of following weight part: ultra-fine porous silica 3-5, nanometer grade antimony trioxide 2-3, octyl epoxy stearate 1-2, ethylene glycol monostearate 0.4-0.6, Lipoval A 0.2-0.3, tragacanth gum 0.3-0.4, Nanoscale Iron slag 2-3, light calcium carbonate 200-220, auxiliary agent 5-9, water 20-30;

Described auxiliary agent is made by the raw material of following weight part: Magnesium Stearate 0.2-0.3, dioctyl sebacate 0.2-0.3, the two amine hydroxybenzene 0.4-0.6 of ethylene, oxidized polyethlene wax 0.3-0.5, Yatall MA 0.3-0.4, graphene oxide 0.3-0.5, Wool wax alcohol Soxylat A 25-7 0.2-0.3, nano titanium oxide 2-3, polyamide wax micropowder 0.2-0.3, urethane acrylate 0.3-0.5, glycidyl allyl ether 0.2-0.3, tolylene diisocyanate 0.1-0.2, phosphoesterase 30 .2-0.3, tri (propylene glycol) diacrylate 13-16, preparation method is: by urethane acrylate, glycidyl allyl ether is added in tri (propylene glycol) diacrylate, be heated to 50-55 ℃, stir 20-30 minute, add Magnesium Stearate, dioctyl sebacate, the two amine hydroxybenzenes of ethylene, oxidized polyethlene wax, Yatall MA, graphene oxide, Wool wax alcohol Soxylat A 25-7, nano titanium oxide, polyamide wax micropowder, phosphoric acid ester, the follow-up continuous 70-80 ℃ that is warming up to stirs, stirring reaction 30-40 minute, be cooled to 35-40 ℃, add again other remaining components, stirring reaction 50-60 minute, obtain.

The preparation method of described flame retardant resistance plastic cement filler, is characterized in that comprising the following steps:

(1) octyl epoxy stearate, ethylene glycol monostearate, Lipoval A, tragacanth gum are added to the water, stir, be heated to 70-80 ℃, obtain slurry;

(2) ultra-fine porous silica, nanometer grade antimony trioxide, Nanoscale Iron slag, light calcium carbonate are mixed, the warm air that blows 70-80 ℃ to it again seethes it, in the powder seething, spray into the slurry that (1) vaporific step obtains again, after the two is fully mixed, maintenance temperature is 70-80 ℃, continues to seethe 30-40 minute;

(3) mixture (2) step being obtained is dried, and adds in high-speed kneading machine, adds other remaining components, then is warming up to 110-120 ℃, and 15-20 minute is mediated in insulation, then grinds to form the particle of 5-40 μ m, obtains.

Beneficial effect of the present invention

Filler of the present invention has added nanometer grade antimony trioxide, can improve the flame retardant properties of plastic cement, by using octyl epoxy stearate, ethylene glycol monostearate, Lipoval A, tragacanth gum to carry out modification to calcium carbonate, improved the lipophilicity of calcium carbonate, reinforcing effect is good; Auxiliary agent of the present invention can improve dispersiveness and the self lubricity of filler.

Embodiment

A flame retardant resistance plastic cement filler, by following weight part (kilogram) raw material make: ultra-fine porous silica 4, nanometer grade antimony trioxide 2.5, octyl epoxy stearate 1.5, ethylene glycol monostearate 0.5, Lipoval A 0.2, tragacanth gum 0.4, Nanoscale Iron slag 2.5, light calcium carbonate 210, auxiliary agent 7, water 25;

Described auxiliary agent by following weight part (kilogram) raw material make: the two amine hydroxybenzenes 0.5 of Magnesium Stearate 0.2, dioctyl sebacate 0.2, ethylene, oxidized polyethlene wax 0.4, Yatall MA 0.3, graphene oxide 0.4, Wool wax alcohol Soxylat A 25-7 0.2, nano titanium oxide 2.5, polyamide wax micropowder 0.2, urethane acrylate 0.4, glycidyl allyl ether 0.2, tolylene diisocyanate 0.2, phosphoesterase 30 .2, tri (propylene glycol) diacrylate 15; Preparation method is: urethane acrylate, glycidyl allyl ether are added in tri (propylene glycol) diacrylate, be heated to 58 ℃, stir 25 minutes, add Magnesium Stearate, dioctyl sebacate, the two amine hydroxybenzenes of ethylene, oxidized polyethlene wax, Yatall MA, graphene oxide, Wool wax alcohol Soxylat A 25-7, nano titanium oxide, polyamide wax micropowder, phosphoric acid ester, stir and follow-up continuing be warming up to 75 ℃, stirring reaction 35 minutes, be cooled to 38 ℃, add again other remaining components, stirring reaction 55 minutes, obtains.

The preparation method of described flame retardant resistance plastic cement filler, comprises the following steps:

(1) octyl epoxy stearate, ethylene glycol monostearate, Lipoval A, tragacanth gum are added to the water, stir, be heated to 75 ℃, obtain slurry;

(2) ultra-fine porous silica, nanometer grade antimony trioxide, Nanoscale Iron slag, light calcium carbonate are mixed, the warm air that blows 75 ℃ to it again seethes it, in the powder seething, spray into the slurry that (1) vaporific step obtains again, after the two is fully mixed, keeping temperature is 75 ℃, continues to seethe 35 minutes;

(3) mixture (2) step being obtained is dried, and adds in high-speed kneading machine, adds other remaining components, then is warming up to 115 ℃, and insulation is mediated 18 minutes, then grinds to form the particle of 5-40 μ m, obtains.

Experimental data:

By this embodiment filler, for dual-component polyurethane plastic cement race track, addition is 10%, records testing data as follows:

Hardness (HS): 48

Tensile strength (Mpa): 26

Tear strength (Mpa): 13

Elongation %:288%

Compression set rate %:36%.

Claims (2)

1. a flame retardant resistance plastic cement filler, is characterized in that being made by the raw material of following weight part: ultra-fine porous silica 3-5, nanometer grade antimony trioxide 2-3, octyl epoxy stearate 1-2, ethylene glycol monostearate 0.4-0.6, Lipoval A 0.2-0.3, tragacanth gum 0.3-0.4, Nanoscale Iron slag 2-3, light calcium carbonate 200-220, auxiliary agent 5-9, water 20-30;

Described auxiliary agent is made by the raw material of following weight part: Magnesium Stearate 0.2-0.3, dioctyl sebacate 0.2-0.3, the two amine hydroxybenzene 0.4-0.6 of ethylene, oxidized polyethlene wax 0.3-0.5, Yatall MA 0.3-0.4, graphene oxide 0.3-0.5, Wool wax alcohol Soxylat A 25-7 0.2-0.3, nano titanium oxide 2-3, polyamide wax micropowder 0.2-0.3, urethane acrylate 0.3-0.5, glycidyl allyl ether 0.2-0.3, tolylene diisocyanate 0.1-0.2, phosphoesterase 30 .2-0.3, tri (propylene glycol) diacrylate 13-16, preparation method is: by urethane acrylate, glycidyl allyl ether is added in tri (propylene glycol) diacrylate, be heated to 50-55 ℃, stir 20-30 minute, add Magnesium Stearate, dioctyl sebacate, the two amine hydroxybenzenes of ethylene, oxidized polyethlene wax, Yatall MA, graphene oxide, Wool wax alcohol Soxylat A 25-7, nano titanium oxide, polyamide wax micropowder, phosphoric acid ester, the follow-up continuous 70-80 ℃ that is warming up to stirs, stirring reaction 30-40 minute, be cooled to 35-40 ℃, add again other remaining components, stirring reaction 50-60 minute, obtain.

2. the preparation method of flame retardant resistance plastic cement filler according to claim 1, is characterized in that comprising the following steps:

(1) octyl epoxy stearate, ethylene glycol monostearate, Lipoval A, tragacanth gum are added to the water, stir, be heated to 70-80 ℃, obtain slurry;

(2) ultra-fine porous silica, nanometer grade antimony trioxide, Nanoscale Iron slag, light calcium carbonate are mixed, the warm air that blows 70-80 ℃ to it again seethes it, in the powder seething, spray into the slurry that (1) vaporific step obtains again, after the two is fully mixed, maintenance temperature is 70-80 ℃, continues to seethe 30-40 minute;

(3) mixture (2) step being obtained is dried, and adds in high-speed kneading machine, adds other remaining components, then is warming up to 110-120 ℃, and 15-20 minute is mediated in insulation, then grinds to form the particle of 5-40 μ m, obtains.