CN104592720A - Calcium carbonate filler capable of enhancing toughness of plastic and preparation method thereof - Google Patents

Abstract

The invention relates to a calcium carbonate filler capable of enhancing toughness of plastic, which is prepared from the following raw materials in parts by weight: 3-4 parts of superfine magnesium hydroxide, 4-5 parts of carbon black, 1-2 parts of propylene glycol polyadipate, 0.5-0.7 part of redispersible latex powder, 1-2 parts of N-methylpyrrolidone, 0.7-0.9 part of polyoxyethylene lanolin, 0.4-0.6 part of calcium stearoyllactate, 2-3 parts of nano iron ore slag, 200-220 parts of light calcium carbonate, 5-9 parts of assistant and 20-30 parts of water. The nano iron ore slag is added to enhance the wearability and strength of the plastic; the propylene glycol polyadipate and redispersible latex powder are added to enhance the compatibility between the calcium carbonate and plastic; and the filler can enhance the toughness, heat resistance and plasticity of the plastic, and is widely used in the fields of automobiles, electric appliances, machinery, architecture and the like.

Description

A kind ofly improve pearl filler of plastic cement toughness and preparation method thereof

Technical field

The invention belongs to plastic cement field, particularly a kind ofly improve pearl filler of plastic cement toughness and preparation method thereof.

Background technology

Plastic cement application widely, is parts indispensable in household electrical appliances, automobile, mobile phone, PC, medicine equipment, electric lighting.China's economy achieves 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 are also achieved fast development, the development of downstream industry has pulled the demand to plastic cement further, 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 current plastic cement exists shows the aspect such as wear resistance, ageing-resistant, oil resistant, high temperature resistant, intensity, chemical stability, flexural strength, creep property, needs constantly to improve.The approach improved has the improvement to raw material, technique, and also having is exactly improve by adding filler, and the performance of filler improves the performance of plastic cement to a certain extent, so the improving technique of research filler is very important.

Summary of the invention

The object of the present invention is to provide and a kind ofly improve pearl filler of plastic cement toughness and preparation method thereof, this filler can increase wear resistance and the intensity of plastic cement, good with the consistency of plastic cement, this filler can improve the toughness of plastic cement, thermotolerance and plasticity-, is widely used in the fields such as automobile, electrical equipment, machinery, building.

Technical scheme of the present invention is as follows:

Improve a pearl filler for plastic cement toughness, it is characterized in that being made up of the raw material of following weight part: super fine magnesium hydroxide 3-4, carbon black 4-5, polypropylene adipate (PPA) 1-2, redispersable latex powder 0.5-0.7, N-Methyl pyrrolidone 1-2, Wool wax alcohols,ethoxylated 0.7-0.9, CSL 0.4-0.6, Nanoscale Iron slag 2-3, light calcium carbonate 200-220, auxiliary agent 5-9, water 20-30;

Described auxiliary agent is made up of 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 DEG C, stir 20-30 minute, add Magnesium Stearate, dioctyl sebacate, the two amine hydroxybenzene 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 70-80 DEG C, stirring reaction 30-40 minute, be cooled to 35-40 DEG C, add other remaining components again, stirring reaction 50-60 minute, obtain.

The preparation method of the pearl filler of described raising plastic cement toughness, is characterized in that comprising the following steps:

(1) polypropylene adipate (PPA), redispersable latex powder, N-Methyl pyrrolidone, Wool wax alcohols,ethoxylated, CSL are added to the water, stir, be heated to 70-80 DEG C, obtain slurry;

(2)) by super fine magnesium hydroxide, carbon black, Nanoscale Iron slag, light calcium carbonate mixing, the warm air blowing 70-80 DEG C to it again makes it seethe, the slurry that (1) vaporific step obtains is sprayed into again in the powder seethed, after making the two fully mix, maintenance temperature is 70-80 DEG C, continues to seethe 30-40 minute;

(3) mixture (2) step obtained is dried, and adds in high-speed kneading machine, adds other remaining components, then be warming up to 110-120 DEG C, and 15-20 minute is mediated in insulation, then grinds to form the particle of 5-40 μm, to obtain final product.

Beneficial effect of the present invention

Filler of the present invention with the addition of Nanoscale Iron slag, add wear resistance and the intensity of plastic cement, by adding polypropylene adipate (PPA), redispersable latex powder, add the consistency of calcium carbonate and plastic cement, this filler can improve the toughness of plastic cement, thermotolerance and plasticity-, is widely used in the fields such as automobile, electrical equipment, machinery, building.

Embodiment

Improve a pearl filler for plastic cement toughness, be made up of the raw material of following weight part (kilogram): super fine magnesium hydroxide 3.5, carbon black 4.5, polypropylene adipate (PPA) 1.5, redispersable latex powder 0.6, N-Methyl pyrrolidone 1.5, Wool wax alcohols,ethoxylated 0.8, CSL 0.5, Nanoscale Iron slag 2.5, light calcium carbonate 210, auxiliary agent 7, water 25;

Described auxiliary agent is made up of the raw material of following weight part (kilogram): Magnesium Stearate 0.2, dioctyl sebacate 0.2, ethylene two amine hydroxybenzene 0.5, 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: be added in tri (propylene glycol) diacrylate by urethane acrylate, glycidyl allyl ether, be heated to 58 DEG C, stir 25 minutes, add Magnesium Stearate, dioctyl sebacate, ethylene two amine hydroxybenzene, 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 DEG C, stirring reaction 35 minutes, be cooled to 38 DEG C, add other remaining components again, stirring reaction 55 minutes, to obtain final product.

The preparation method of the pearl filler of described raising plastic cement toughness, comprises the following steps:

(1) polypropylene adipate (PPA), redispersable latex powder, N-Methyl pyrrolidone, Wool wax alcohols,ethoxylated, CSL are added to the water, stir, be heated to 75 DEG C, obtain slurry;

(2)) by super fine magnesium hydroxide, carbon black, Nanoscale Iron slag, light calcium carbonate mixing, the warm air blowing 75 DEG C to it again makes it seethe, then in the powder seethed, spray into the slurry that (1) vaporific step obtains, and makes the two fully after mixing, keep temperature to be 75 DEG C, continue to seethe 35 minutes;

(3) mixture (2) step obtained is dried, and adds in high-speed kneading machine, adds other remaining components, then be warming up to 115 DEG C, insulation kneading 18 minutes, then grinds to form the particle of 5-40 μm, to obtain final product.

Experimental data:

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

Hardness (HS): 45

Tensile strength (Mpa): 25

Tear strength (Mpa): 11

Elongation %:300%

Compression set rate %:35%.

Claims (2)

1. improve a pearl filler for plastic cement toughness, it is characterized in that being made up of the raw material of following weight part: super fine magnesium hydroxide 3-4, carbon black 4-5, polypropylene adipate (PPA) 1-2, redispersable latex powder 0.5-0.7, N-Methyl pyrrolidone 1-2, Wool wax alcohols,ethoxylated 0.7-0.9, CSL 0.4-0.6, Nanoscale Iron slag 2-3, light calcium carbonate 200-220, auxiliary agent 5-9, water 20-30;

Described auxiliary agent is made up of 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 DEG C, stir 20-30 minute, add Magnesium Stearate, dioctyl sebacate, the two amine hydroxybenzene 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 70-80 DEG C, stirring reaction 30-40 minute, be cooled to 35-40 DEG C, add other remaining components again, stirring reaction 50-60 minute, obtain.

2. the preparation method of the pearl filler of raising plastic cement toughness according to claim 1, is characterized in that comprising the following steps:

(1) polypropylene adipate (PPA), redispersable latex powder, N-Methyl pyrrolidone, Wool wax alcohols,ethoxylated, CSL are added to the water, stir, be heated to 70-80 DEG C, obtain slurry;

(2)) by super fine magnesium hydroxide, carbon black, Nanoscale Iron slag, light calcium carbonate mixing, the warm air blowing 70-80 DEG C to it again makes it seethe, the slurry that (1) vaporific step obtains is sprayed into again in the powder seethed, after making the two fully mix, maintenance temperature is 70-80 DEG C, continues to seethe 30-40 minute;

(3) mixture (2) step obtained is dried, and adds in high-speed kneading machine, adds other remaining components, then be warming up to 110-120 DEG C, and 15-20 minute is mediated in insulation, then grinds to form the particle of 5-40 μm, to obtain final product.