CN104194057A - Heat-resistant filler for plastics and preparation method of heat-resistant filler - Google Patents

Abstract

The invention discloses a heat-resistant filler for plastics. The filler is prepared from the following raw materials in parts by weight: 1-2 parts of magnesium stearate, 3-4 parts of zirconia ceramic microbeads, 0.1-0.2 part of sodium dodecyl benzene sulfonate, 2-3 parts of pure acrylic emulsion, 1-2 parts of hexafluoro-acetylacetone, 0.2-0.3 part of China wood oil, 0.2-0.3 part of carnauba wax, 2-3 parts of nanometer iron-ore slag, 200-220 parts of light calcium carbonate, 5-9 parts of aids and 20-30 parts of water. According to the filler, due to addition of the zirconia ceramic microbeads, the heat resistance of the plastic can be improved; due to addition of the nanometer iron-ore slag, the wear resistance and strength of the plastics can be improved; and moreover, calcium carbonate is subjected to surface modification by using pure acrylic emulsion, hexafluoro-acetylacetone, China wood oil and carnauba wax, so that calcium carbonate is high in lipophilicity, the compatibility of calcium carbonate with the plastics is increased, and the strength of the plastics can be improved.

Description

Heat-resistant filler and preparation method thereof for a kind of plastic cement

Technical field

The invention belongs to plastic cement field, particularly heat-resistant filler and preparation method thereof for a kind of plastic cement.

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 heat-resistant filler and preparation method thereof for a kind of plastic cement, this filler can increase the thermotolerance of plastic cement, can increase wear resistance and the intensity of plastic cement, and calcium carbonate lipophilicity is good, increases with the consistency of plastic cement, can increase the intensity of plastic cement.

Technical scheme of the present invention is as follows:

A plastic cement heat-resistant filler, is characterized in that being made by the raw material of following weight part: Magnesium Stearate 1-2, zirconia ceramics microballon 3-4, Sodium dodecylbenzene sulfonate 0.1-0.2, pure-acrylic emulsion 2-3, hexafluoroacetylacetone 1-2, tung oil 0.2-0.3, carnauba wax 0.2-0.3, 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 heat-resistant filler for described plastic cement, is characterized in that comprising the following steps:

(1) Magnesium Stearate, pure-acrylic emulsion, hexafluoroacetylacetone, Sodium dodecylbenzene sulfonate are added to the water, stir, be heated to 70-80 ℃, obtain slurry;

(2) Nanoscale Iron slag, zirconia ceramics microballon, 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 zirconia ceramics microballon, can increase the thermotolerance of plastic cement; By adding Nanoscale Iron slag, can increase wear resistance and the intensity of plastic cement; By using pure-acrylic emulsion, hexafluoroacetylacetone, tung oil, carnauba wax to carry out surface modification to calcium carbonate, make calcium carbonate lipophilicity good, increase with the consistency of plastic cement, can increase the intensity of plastic cement.

Embodiment

A plastic cement heat-resistant filler, by following weight part (kilogram) raw material make: Magnesium Stearate 1.5, zirconia ceramics microballon 3.5, Sodium dodecylbenzene sulfonate 0.1, pure-acrylic emulsion 2.5, hexafluoroacetylacetone 1.5, tung oil 0.3, carnauba wax 0.2, 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 heat-resistant filler for described plastic cement, comprises the following steps:

(1) Magnesium Stearate, pure-acrylic emulsion, hexafluoroacetylacetone, Sodium dodecylbenzene sulfonate are added to the water, stir, be heated to 75 ℃, obtain slurry;

(2) Nanoscale Iron slag, zirconia ceramics microballon, light calcium carbonate are mixed, the warm air that blows 75 ℃ to it again seethes it, then sprays into the slurry that (1) vaporific step obtains in the powder seething, 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 17 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): 60

Tensile strength (Mpa): 31

Tear strength (Mpa): 14

Elongation %:269%

Compression set rate %:35%.

Claims (2)

1. a plastic cement heat-resistant filler, is characterized in that being made by the raw material of following weight part: Magnesium Stearate 1-2, zirconia ceramics microballon 3-4, Sodium dodecylbenzene sulfonate 0.1-0.2, pure-acrylic emulsion 2-3, hexafluoroacetylacetone 1-2, tung oil 0.2-0.3, carnauba wax 0.2-0.3, 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 heat-resistant filler for plastic cement according to claim 1, is characterized in that comprising the following steps:

(1) Magnesium Stearate, pure-acrylic emulsion, hexafluoroacetylacetone, Sodium dodecylbenzene sulfonate are added to the water, stir, be heated to 70-80 ℃, obtain slurry;

(2) Nanoscale Iron slag, zirconia ceramics microballon, 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.