CN105086737A - Environment-friendly interior wall latex paint for preventing wall body cracking and preparation method therefor - Google Patents

Abstract

The invention discloses environment-friendly interior wall latex paint for preventing wall body cracking. The latex paint is characterized by being prepared from the following raw materials in parts by weight: 20 to 24 parts of methacrylate, 7 to 9 parts of polyethylene glycol diacrylate, 14 to 16 parts of heavy calcium carbonate powder, 13 to 15 parts of gypsum powder, 0.6 to 0.8 part of hydroxypropyl methylcellulose, 0.5 to 0.6 part of isothiazolinone, 3 to 5 parts of zein fibers, 2 to 3 parts of starch, 4 to 6 parts of glutinous rice juice, 90 to 100 parts of water and 7 to 9 parts of mixed plant slurry. According to the environment-friendly interior wall latex paint for preventing wall body cracking, the zein fibers which have very high toughness and tensile force are added and are matched with the sticky glutinous rice juice, so that the shortage that a wall body is liable to cracking is made up; the mixed plant slurry is added and is safe, environment-friendly and non-toxic, so that the volatilization of organic compounds can be lowered, and the latex paint is fresh in perfume and has certain antibacterial and healthcare effects; and the latex paint disclosed by the invention is wear-resistant and is high in adhesive power, coated bodies are fine in texture and cannot be subjected to cracking and shedding, and healthy and comfortable environments can be provided for places such as hospitals, laboratories and the like.

Description

A kind of Environmentally-frieinner-wall inner-wall emulsion paint of preventing wall crazing and preparation method thereof

Technical field

The present invention relates to a kind of coating and preparation method thereof, particularly a kind of Environmentally-frieinner-wall inner-wall emulsion paint of preventing wall crazing and preparation method thereof.

Background technology

Emulsion paint is through the development of decades, and it has many advantages compared with other coating, and easy construction, dried coating film are fast, good permeability, water-tolerant.Then the time has been grown, body of wall there will be in various degree cracking phenomena, except causing the volumetric shrinkage of reason except basic unit of coating cracking, temperature variation, alternation of wetting and drying, also lack with coating film and hide microfracture ability and have certain relation.The present invention adds natural zein fiber, has very strong pulling force, and the viscosity of sticky rice juice can make up the phenomenon of wall crazing, ensure that the overall appearance of metope.

Along with the development with emulsion paint technology that improves constantly of living standards of the people, healthy particularly important to people of indoor environment, especially the environment of public place enjoys people to pay close attention to, movement of population and the intensive places such as picture hospital, school, hotel, will regularly carry out disinfection in multicell, reduce bacteria breed, thus ensure that the air of people is healthy pure and fresh.The present invention attempts to start with from emulsion paint, invent a kind of interiro wall latex paint, natural vegetable powder is made slurry mix with emulsion paint, not only smell is pure and fresh, and has certain sterilization and health-care effect, be applicable to the place such as medical institutions, gymnasium to use, and the plant constituent that emulsion paint adds, there is natural pigment, not only healthy nontoxic, and color is simple and elegant, attractive in appearance.

Summary of the invention

The object of this invention is to provide a kind of Environmentally-frieinner-wall inner-wall emulsion paint of preventing wall crazing and preparation method thereof.

In order to realize object of the present invention, the present invention is by following scheme implementation:

Prevent an Environmentally-frieinner-wall inner-wall emulsion paint for wall crazing, be made up of the raw material of following weight part: methacrylic ester 20-24, polyethyleneglycol diacrylate 7-9, heavy calcium carbonate 14-16, terra alba 13-15, Vltra tears 0.6-0.8, isothiazolinone 0.5-0.6, zein fiber 3-5, starch 2-3, sticky rice juice 4-6, water 90-100, mixed plant slurry 7-9;

Described mixed plant slurry is prepared from by the raw material of following weight part: bastard tamarind legume 1-2, elscholtiza 2-3, Medcinal Evodia Fruit 2-3, root of Dahurain angelica 3-5, lotus root starch 2-4, gum arabic powder 1-2, Leafy twigs of Oriental Arborvitae 3-4, flores aurantii 0.5-0.8, rosin 0.8-1, attapulgite clay 2.5-3.5, water 45-50; Preparation method is after bastard tamarind legume, elscholtiza, Medcinal Evodia Fruit, the root of Dahurain angelica, Leafy twigs of Oriental Arborvitae, flores aurantii being cleaned up, and then dry 3-5 hour at 60 DEG C-70 DEG C puts into pulverizer and be ground into 300-500 object mixed powder; Then lotus root starch, gum arabic powder are put into water and stirred, be heated to 75 DEG C-90 DEG C, insulation adds all the other remaining components again, 15-20 minute is stirred under 800-1000 rev/min, be cooled to room temperature, finally add mixed powder, grind to form 600-800 order slurry.

A kind of Environmentally-frieinner-wall inner-wall emulsion paint of preventing wall crazing of the present invention, be made up of following concrete steps:

(1) by methacrylic ester heating in water bath to 70 DEG C-80 DEG C, slowly add polyethyleneglycol diacrylate while stirring, insulation reaction 1-1.5 hour, then cold go to room temperature stand-by;

(2) zein fiber is shredded put into sand mill together with heavy calcium carbonate, terra alba, grinding 1.5-2 hour, obtain levigate powder, then all the other remaining components except mixed plant slurry are added, under 900-1000 rev/min of condition, stir 40-50 minute, then grinding obtains 600-800 order slurry;

(3) by step (1) material and step (2) mixing of materials, add mixed plant slurry, stir and get final product.

The invention has the beneficial effects as follows: the present invention adds zein fiber to there is very strong toughness and pulling force coordinates with the sticky rice juice of viscosity, compensate for the deficiency that body of wall easily ftractures; Add mixed plant slurry, safety and environmental protection is nontoxic, and can reduce the volatile quantity of organic compound, fragrance is pure and fresh, has certain antibiotic health care effect; Emulsion paint of the present invention is wear-resistant, sticking power good, very fine and smooth by the sense of painting physique, does not have cracking, obscission, can provide healthy comfortable environment for places such as hospital, school, laboratories.

Specific embodiments

Below by specific examples, the present invention is described in detail.

Prevent an Environmentally-frieinner-wall inner-wall emulsion paint for wall crazing, be made up of the raw material of following weight part (kilogram): methacrylic ester 20, polyethyleneglycol diacrylate 7, heavy calcium carbonate 14, terra alba 13, Vltra tears 0.6, isothiazolinone 0.5, zein fiber 3, starch 2, sticky rice juice 4, water 90, mixed plant slurry 7;

Described mixed plant slurry is prepared from by the raw material of following weight part (kilogram): bastard tamarind legume 1, elscholtiza 2, Medcinal Evodia Fruit 2, the root of Dahurain angelica 3, lotus root starch 2, gum arabic powder 1, Leafy twigs of Oriental Arborvitae 3, flores aurantii 0.5, rosin 0.8, attapulgite clay 2.5, water 45; Preparation method is after bastard tamarind legume, elscholtiza, Medcinal Evodia Fruit, the root of Dahurain angelica, Leafy twigs of Oriental Arborvitae, flores aurantii being cleaned up, and then dry 3-5 hour at 60 DEG C-70 DEG C puts into pulverizer and be ground into 300-500 object mixed powder; Then lotus root starch, gum arabic powder are put into water and stirred, be heated to 75 DEG C-90 DEG C, insulation adds all the other remaining components again, 15-20 minute is stirred under 800-1000 rev/min, be cooled to room temperature, finally add mixed powder, grind to form 600-800 order slurry.

A kind of Environmentally-frieinner-wall inner-wall emulsion paint of preventing wall crazing of the present invention, be made up of following concrete steps:

(1) by methacrylic ester heating in water bath to 70 DEG C-80 DEG C, slowly add polyethyleneglycol diacrylate while stirring, insulation reaction 1-1.5 hour, then cold go to room temperature stand-by;

(2) zein fiber is shredded put into sand mill together with heavy calcium carbonate, terra alba, grinding 1.5-2 hour, obtain levigate powder, then all the other remaining components except mixed plant slurry are added, under 900-1000 rev/min of condition, stir 40-50 minute, then grinding obtains 600-800 order slurry;

(3) by step (1) material and step (2) mixing of materials, add mixed plant slurry, stir and get final product.

This emulsion paint can adopt the form of construction work of roller coating to construct.The emulsion paint appearance of film obtained according to the method is normal, and be less than 2 hours time of drying, opacifying power is 0.976, and water-fast 96 hours without exception, and alkaline-resisting 48 hours without exception, and abrasion resistance is greater than 2000 times.

Claims (2)

1. one kind is prevented the Environmentally-frieinner-wall inner-wall emulsion paint of wall crazing, it is characterized in that, be made up of the raw material of following weight part: methacrylic ester 20-24, polyethyleneglycol diacrylate 7-9, heavy calcium carbonate 14-16, terra alba 13-15, Vltra tears 0.6-0.8, isothiazolinone 0.5-0.6, zein fiber 3-5, starch 2-3, sticky rice juice 4-6, water 90-100, mixed plant slurry 7-9;

Described mixed plant slurry is prepared from by the raw material of following weight part: bastard tamarind legume 1-2, elscholtiza 2-3, Medcinal Evodia Fruit 2-3, root of Dahurain angelica 3-5, lotus root starch 2-4, gum arabic powder 1-2, Leafy twigs of Oriental Arborvitae 3-4, flores aurantii 0.5-0.8, rosin 0.8-1, attapulgite clay 2.5-3.5, water 45-50; Preparation method is after bastard tamarind legume, elscholtiza, Medcinal Evodia Fruit, the root of Dahurain angelica, Leafy twigs of Oriental Arborvitae, flores aurantii being cleaned up, and then dry 3-5 hour at 60 DEG C-70 DEG C puts into pulverizer and be ground into 300-500 object mixed powder; Then lotus root starch, gum arabic powder are put into water and stirred, be heated to 75 DEG C-90 DEG C, insulation adds all the other remaining components again, 15-20 minute is stirred under 800-1000 rev/min, be cooled to room temperature, finally add mixed powder, grind to form 600-800 order slurry.

2. a kind of Environmentally-frieinner-wall inner-wall emulsion paint of preventing wall crazing according to claim 1, is characterized in that, be made up of following concrete steps:

(1) by methacrylic ester heating in water bath to 70 DEG C-80 DEG C, slowly add polyethyleneglycol diacrylate while stirring, insulation reaction 1-1.5 hour, then cold go to room temperature stand-by;

(2) zein fiber is shredded put into sand mill together with heavy calcium carbonate, terra alba, grinding 1.5-2 hour, obtain levigate powder, then all the other remaining components except mixed plant slurry are added, under 900-1000 rev/min of condition, stir 40-50 minute, then grinding obtains 600-800 order slurry;

(3) by step (1) material and step (2) mixing of materials, add mixed plant slurry, stir and get final product.