CN103665942A - Attapulgite nano complex iron oxide brown for easily-dispersible water-based paint - Google Patents

Abstract

The invention discloses attapulgite nano complex iron oxide brown for easily-dispersible water-based paint, which is prepared from the following raw materials in parts by weight: 1-2 parts of hydroxypropyl methacrylate, 1-2 parts of polypropylene glycol diglycidyl ether, 10-20 parts of modified attapulgite, 1-2 nano carbon, 100-110 parts of iron oxide brown, 1-2 parts of silane coupling agent KH530, 0.2-0.4 part of lanolin, 0.3-0.5 part of zinc oxide, 0.1-0.2 part of itaconate, 0.3-0.5 part of chlorinated paraffin wax, 0.1-0.2 part of ammonium polyphosphate and 0.5-0.7 part of coconut fatty acid diethanolamide.

Description

A kind of composite iron oxide brown of attapulgite clay nano for easy disperse aqueous coating

Technical field

The present invention relates to iron oxide brown field, is exactly a kind of easy disperse aqueous coating composite iron oxide brown of attapulgite clay nano.

Background technology

Iron oxide brown is brown ceramic powder, and water insoluble, alcohol, ether, be dissolved in hot strong acid.Tinting strength and opacifying power are very high.Photostabilization, alkali resistance are good, anhydrous oozing property and oozing property of oil.

Summary of the invention

The object of the present invention is to provide a kind of easy disperse aqueous coating composite iron oxide brown of attapulgite clay nano

Above-mentioned purpose realizes by following scheme:

A kind of composite iron oxide brown of attapulgite clay nano for easy disperse aqueous coating, it is characterized in that: it is that raw material by following weight parts makes: Rocryl 410 1-2, polypropylene glycol diglycidyl ether 1-2, attapulgite modified 10-20, nano-sized carbon 1-2, iron oxide brown 100-110, silane coupling agent KH530 1-2, lanolin 0.2-0.4, zinc oxide 0.3-0.5, itaconic ester 0.1-0.2, clorafin 0.3-0.5, ammonium polyphosphate 0.1-0.2, cocoanut fatty acid diethanolamide 0.5-0.7.

The described composite iron oxide brown of attapulgite clay nano for a kind of easy disperse aqueous coating, is characterized in that:

Preparation method is:

(1) attapulgite is calcined to 2-4 hour at 800-1200 ℃, add again and be equivalent to the sodium laurylsulfate of attapulgite weight 1-2%, the dimethyl phthalate of 0.5-1%, and appropriate amount of deionized water, high speed shear 10-20 minute under 2000-3000rpm, take out,, dry, by colloidal mill defibrination to particle diameter, be less than 45 μ m, obtain attapulgite modified standby;

(2) Rocryl 410, polypropylene glycol diglycidyl ether, attapulgite modified, nano-sized carbon are mixed by weight, add again appropriate amount of deionized water, at 30-40 ℃, stir 10-20 minute, by colloidal mill defibrination to particle diameter, be less than 45 μ m, add by weight again silane coupling agent KH530, under 100-200 rev/min, stir 10-20 minute, obtain modification liquid standby;

(3) after attapulgite and modification liquid are mixed, after high speed shear 10-20 minute, take out, vacuum-drying, after gained powder and all the other raw material blendings, then adds suitable quantity of water, and at 30-40 ℃ after stirring reaction 5-12 minute, oven dry at 70-80 ℃, obtains.

Beneficial effect of the present invention is: the present invention uses nanometer powder and attapulgite modified composite, has improved mobility and the dispersiveness of iron oxide brown pigment, is used in very much water-borne coatings, and gained coating is easily brushed.

Embodiment

A kind of composite iron oxide brown of attapulgite clay nano for easy disperse aqueous coating, it is that raw material by following weight parts (kg) makes: Rocryl 410 2, polypropylene glycol diglycidyl ether 2, attapulgite modified 20, nano-sized carbon 2, iron oxide brown 110, silane coupling agent KH530 2, lanolin 0.4, zinc oxide 0.5, itaconic ester 0.2, clorafin-0.5, ammonium polyphosphate 0.2, cocoanut fatty acid diethanolamide 0.7.

The described composite iron oxide brown of attapulgite clay nano for a kind of easy disperse aqueous coating,

Preparation method is:

(1) attapulgite is calcined 4 hours at 1200 ℃, add again and be equivalent to the sodium laurylsulfate of attapulgite weight 2%, 1% dimethyl phthalate, and appropriate amount of deionized water, under 3000rpm, high speed shear is 20 minutes, take out,, dry, by colloidal mill defibrination to particle diameter, be less than 45 μ m, obtain attapulgite modified standby;

(2) Rocryl 410, polypropylene glycol diglycidyl ether, attapulgite modified, nano-sized carbon are mixed by weight, add again appropriate amount of deionized water, at 40 ℃, stir 20 minutes, by colloidal mill defibrination to particle diameter, be less than 45 μ m, add by weight again silane coupling agent KH530, under 200 revs/min, stir 20 minutes, obtain modification liquid standby;

(3) after attapulgite and modification liquid are mixed, high speed shear, after 20 minutes, is taken out, and vacuum-drying, after gained powder and all the other raw material blendings, then adds suitable quantity of water, stirring reaction after 12 minutes at 30 ℃, and oven dry at 80 ℃, obtains.

The iron oxide brown product performance analytical data that embodiment produces is as following table:

Project	Index	Detected result
			105 ℃ of volatile matters (%)	≤1.0	0.64
Oil number (%)	15-25	24.2
			Tinctorial strength (%)	95-105	101.1
Resistance to 200 ℃/30min (△ E)	≤1.0	0.77

Claims (2)

1. the composite iron oxide brown of attapulgite clay nano for easy disperse aqueous coating, it is characterized in that: it is that raw material by following weight parts makes: Rocryl 410 1-2, polypropylene glycol diglycidyl ether 1-2, attapulgite modified 10-20, nano-sized carbon 1-2, iron oxide brown 100-110, silane coupling agent KH530 1-2, lanolin 0.2-0.4, zinc oxide 0.3-0.5, itaconic ester 0.1-0.2, clorafin 0.3-0.5, ammonium polyphosphate 0.1-0.2, cocoanut fatty acid diethanolamide 0.5-0.7.

2. the composite iron oxide brown of attapulgite clay nano for a kind of easy disperse aqueous coating according to claim 1, is characterized in that:

Preparation method is:

(1) attapulgite is calcined to 2-4 hour at 800-1200 ℃, add again and be equivalent to the sodium laurylsulfate of attapulgite weight 1-2%, the dimethyl phthalate of 0.5-1%, and appropriate amount of deionized water, high speed shear 10-20 minute under 2000-3000rpm, take out,, dry, by colloidal mill defibrination to particle diameter, be less than 45 μ m, obtain attapulgite modified standby;

(2) Rocryl 410, polypropylene glycol diglycidyl ether, attapulgite modified, nano-sized carbon are mixed by weight, add again appropriate amount of deionized water, at 30-40 ℃, stir 10-20 minute, by colloidal mill defibrination to particle diameter, be less than 45 μ m, add by weight again silane coupling agent KH530, under 100-200 rev/min, stir 10-20 minute, obtain modification liquid standby;

(3) after attapulgite and modification liquid are mixed, after high speed shear 10-20 minute, take out, vacuum-drying, after gained powder and all the other raw material blendings, then adds suitable quantity of water, and at 30-40 ℃ after stirring reaction 5-12 minute, oven dry at 70-80 ℃, obtains.