CN103450785A - Chinese yew polyurethane paint - Google Patents

Abstract

The invention discloses a Chinese yew polyurethane paint, which is composed of main paint, curing agent, and diluent according to a weight ratio of 1:0.5:0.4. The main paint is composed of following components in percentage by the total weight of the main paint: 48% of benzene-free environment-friendly resin, 0.1% to 0.3% of antifoaming agent, 0.8% of thickening agent, 0.1% of surface rheological agent, 0.4% of moisture dispersant, 6% of digestant, 20% of pigment, 10% of stuffing materials, 11.5% of solvent, and 3% of paclitaxel factors extracted from Chinese yews. The curing agent is composed of 40% of isocyanate matter and 60% of auxiliary agent. The diluent is composed of butyl acetate and propylene glycol monomethyl ether propionate according to a weight ratio of 3:1.

Description

Taxus chinensis polyurethane paint

Technical field

The present invention relates to a kind of paint, particularly a kind of taxus chinensis polyurethane paint.

Background technology

Indoor decorating needs a large amount of paint, is generally common oil-base paint or water-miscible paint on the market at present, does not absorb the performance of nuisance.Product mainly comprises polyurethane dispersions type and aqueous acrylic emulsion type, although general paint construction is simple, cost is lower, but smell is large, for a long time also do not have the smell of volatilization own after construction, say nothing of and will absorb the smell of other materials, for improving the environmental-protecting performance of paint, must develop the high-performance water-based paint of multiple harmful VOC in the energy absorption chamber.Approach in indoor storing plant the produced effect that purifies air.

Summary of the invention

For above-mentioned the deficiencies in the prior art, the invention provides a kind of environmentally friendly and there is absorption and know the taxus chinensis polyurethane paint of pollutent.

For achieving the above object, the technical solution used in the present invention is: taxus chinensis polyurethane paint is mixed by 1: 0.5: 0.4 by weight ratio of main paint, solidifying agent, thinner.

Main paint is comprised of the taxol factor, defoamer, thickening material, surface reology agent, wetting dispersing agent, matting agent, pigment, filler, solvent and other auxiliary agents of protecting resin, red bean refinement without phenyl ring; Its preparation method is: add in stainless steel vessel without phenyl ring and protect resin, start stirring, drop into respectively various auxiliary agents and pigment, filler etc., then fully disperse, finally add and the taxol factor, redispersion, detect qualified rear filtration.

Solidifying agent is comprised of isocyanate species and auxiliary agent; Its preparation method is: in stainless steel vessel, by formula ratio, the isocyanate species chosen and auxiliary agent etc. are joined in solvent, rear filtration stirs.

Thinner is comprised of according to parts by weight N-BUTYL ACETATE and propylene glycol monomethyl ether acetate at 3: 1; Its preparation method is: add N-BUTYL ACETATE and propylene glycol monomethyl ether acetate solvent by formula ratio in stainless steel vessel, rear filtration stirs.

The present invention is by the annotate mode of the taxol factor of MULTIPLE COMPOSITE, the polyurethane paint product that makes can be made except thering is higher hardness, fullness ratio, sticking power, high temperature resistance after tackiness, water tolerance and good applicability in construction, and organic compound such as absorbing formaldehyde can be decomposed rapidly.

Embodiment

1, main paint

1.11 protect resin without phenyl ring

The present invention selects is that brushability is good, yellowing resistance is good, rate of drying is fast, hardness is high and the NOVALKYD 3801 of containing benezene solvent (DS company) not, and its consumption is 48% of main paint gross weight.

1.12 defoamer

Defoamer is for preventing foam and the generation of bubbling in the solvent based coating system during coating material production, packing and application.The defoamer add-on must be determined through overtesting, if add-on very little, does not have the defoaming effect of wanting; Too much, can cause paint film shrinkage cavity and the recoatability morbid state such as not good enough.Can choose BYK series defoamer, consumption is that 0.1～0.3% left and right is good.Choose BYK-066N, its consumption is 0.2% of main paint gross weight.

1.13 thickening material

The Main Function of thickening material has: static viscosity is provided, prevents the sedimentation of solid part during storage; Meet construction requirement, the balance of levelling and sagging is provided; Improve and to cut viscosity, give thickness that paint film is good and fullness ratio etc.Solvent based coating is commonly used rheology thickening material polyamide wax, organic bentonite, aerosil, hydrogenated castor wet goods.Without the phenyl ring friendly coating, can select aerosil, organic bentonite like M-5, SD-1.Usage quantity need to be determined according to product viscosity.Choose SD-1, its consumption is 0.8% of main paint gross weight.

1.14 surface reology agent

Its Main Function, for the levelling property of improvement paint and the planeness of coating surface, improves paint film feel, adhesion strength and resistance to blocking.Can also improve the oriented alignment of flatting silica in the dumb light paint, make that gloss of film is even, feel is smooth.The consistency of it and system be should note while selecting, if improper use may produce bubble and shrinkage cavity, and recoatability and ply adhesion affected.Available surface reology agent is mainly silicone based, organic fluorine class etc.Can select dissimilar surface reology agent to be used in combination, in the hope of best plate face effect.Experiment shows, TEGO GLIDE series product and BYK333 are used in combination, and dosage is about 0.2%, and the face effect is best.Select BYK333, its consumption is 0.1% of main paint gross weight.

1.15 wetting dispersing agent

Wetting agent can reduce the interfacial tension between liquid base material and face, filler, and it is adsorbed in face, the filler particles surface replaces the former empty G&W that is attached to face, filling surface, makes paint vehicle be easy to form coating film on face, filler particles surface.Under mechanical force, face, filler aggregate and agglomerate are de-aggregated becomes the precursor size, and wetted dose and paint vehicle coating particles surface and reduced the magnetism between face, filler particles; Dispersion agent can not reassociate or flocculate by space steric effect and charge stable effect by the face after disaggregation, stable being dispersed in coating of filler grain, keeps face, the permanent stability of fillers dispersed system.Face, fillers dispersed agent great majority not only have wetting function but also have the stably dispersing effect.1., low-molecular-weight carboxylic acyloxy amine salt and acid polyester salt the wetting dispersing agent that dispersion effect is good mainly contains following a few class:; 2., high molecular weight carboxylic esters polymer; 3., the high molecular polymer or the segmented copolymer that contain anchoring group; Wetting dispersing agent is multiplex in solid color enamel.Select Disperbyk-167, its consumption is 0.4% of main paint gross weight.

1.6 matting agent

Matting agent is commonly called as mute powder, is generally aerosil., resistance to settling dispersed by the comprehensive assessment matting agent and the impacts such as the extinction effect of filming, transparency, feel are chosen to proper product, and require to determine its addition according to the concrete gloss painted.Can choose the mute powder such as OK-607 (German Sa product) or SYLOIDC-906 (Grace product), the use of also can severally arranging in pairs or groups, effect is better.Some wax powder or wax slurry have certain extinction, can select in right amount.Select SYLOIDC-906, its consumption is 6% of main paint gross weight.

1.17 pigment and filler

By it, the effect difference in paint can be divided into tinting pigment, physique face (filling out) material and special pigment four classes to the kind of face (filling out) material.Tinting pigment plays a part painted and hides in coating, and can improve the weather resistance of paint film and wear resistance etc.Color can be divided into Huang, red, orange, purple, blue, green, black, and several classes such as metalluster, representational, phthalocyanine blue green in respect of iron oxide yellow, iron oxide red, the phthalein mountain valley with clumps of trees and bamboo, zinc oxide, titanium dioxide, carbon black, aluminium powder, copper powder etc., be mainly used in preparing various solid color enamels as sky blue, pink, fruit green etc.; The use of pigment extender can reduce the cost of paint, improves performance and the weight of paint, as barium sulfate, talcum powder, mica powder, diatomite, glass microballon etc., is mainly used in the preparation of putty, priming paint and some colored paint; Special pigment comprises effect pigment, high-visibility pigment, antistatic filler etc.Dyestuff is commonly called as the look essence, for preparing the colored transparent varnish of various color and lusters, as imitative redwood, teak, walnut isochrome.What water-miscible paint adopted is mainly the metallized dye of Water/oil dual-purpose, while selecting dyestuff, must first check consistency and the stability of it and system, and the seediness phenomenon can not be arranged.While selecting face (filling out) material and dyestuff, note the examination and controlling of environmental protection index, particularly prevent that harmful heavy metal from exceeding standard.Selecting 5000 order talcum powder is filler, and its consumption is 10% of main paint gross weight; Selecting the R-706 of Du Pont titanium dioxide is pigment, and its consumption is 20% of main paint gross weight.

1.18 solvent

Should select propylene glycol monomethyl ether acetate (PMP), the N-BUTYL ACETATE of low toxic and environment-friendly.Select propylene glycol monomethyl ether acetate and N-BUTYL ACETATE, its consumption is respectively 5% and 6.5% of main paint gross weight.

1.19 other auxiliary agent

Other auxiliary agent, in respect of essence, grinding auxiliary agent, ultraviolet absorbers, antiskinning agent, siccative etc., can take the circumstances into consideration to add according to specific requirement.

1.20 the taxol factor

The taxol factor of selecting Ramulus et folium taxi cuspidatae to refine, its consumption is 3% of main paint gross weight.

2, solidifying agent

Choose 40% N-BUTYL ACETATE, 22% Bayer N3390 and 38% SAPICI OK.D.S, rear filtration stirs.

3, thinner

Choose 75% N-BUTYL ACETATE and 25% propylene glycol monomethyl ether acetate, rear filtration stirs.

Claims (10)

1. taxus chinensis polyurethane paint, taxus chinensis polyurethane paint, be mixed by 1: 0.5: 0.4 by weight ratio of main paint, solidifying agent, thinner; Main paint is comprised of the taxol factor, defoamer, thickening material, surface reology agent, wetting dispersing agent, matting agent, pigment, filler, solvent and other auxiliary agents of protecting resin, red bean refinement without phenyl ring; Wherein without phenyl ring, protecting resin demand is 48% of main paint gross weight, the 0.1%-0.3% that the defoamer consumption is main paint gross weight, the thickening material consumption is 0.8% of main paint gross weight, surface reology agent consumption is 0.1% of main paint gross weight, the wetting dispersing agent consumption is 0.4% of main paint gross weight, the digestive pharmaceutical consumption is 6% of main paint gross weight, amount of pigment is 20% of main paint gross weight, amount of filler is 10% of main paint gross weight, solvent load is 11.5% of main paint gross weight, and the taxol factor consumption that red bean refines is 3% of main paint gross weight; Solidifying agent is comprised of the auxiliary agent of 40% isocyanate species and 60%; Thinner is comprised of according to parts by weight N-BUTYL ACETATE and propylene glycol monomethyl ether acetate at 3: 1.

2. taxus chinensis polyurethane paint as claimed in claim 1 is characterized in that: described to protect resin without phenyl ring be NOVALKYD 380; Defoamer is BYK series defoamer; Thickening material is aerosil or organic bentonite.

3. taxus chinensis polyurethane paint as claimed in claim 2, it is characterized in that: described defoamer is BYK-066N, its consumption is 0.2% of main paint gross weight; Thickening material is SD-1.

4. taxus chinensis polyurethane paint as claimed in claim 1, it is characterized in that: described surface reology agent is BYK333; Described wetting dispersing agent is low-molecular-weight carboxylic acyloxy amine salt and acid polyester salt or high molecular weight carboxylic esters polymer or high molecular polymer or the segmented copolymer that contains anchoring group.

5. taxus chinensis polyurethane paint as claimed in claim 4, it is characterized in that: described wetting dispersing agent is Disperbyk-167.

6. taxus chinensis polyurethane paint as claimed in claim 1, it is characterized in that: described matting agent is aerosil.

7. taxus chinensis polyurethane paint as claimed in claim 6, it is characterized in that: described matting agent is SYLOIDC-906.

8. taxus chinensis polyurethane paint as claimed in claim 1, it is characterized in that: described pigment is the R-706 of Du Pont titanium dioxide; Filler is 5000 order talcum powder; The propylene glycol monomethyl ether acetate that solvent is 5% and 6.5% Butyl acctate; Other auxiliary agents are in respect of essence, grinding auxiliary agent, ultraviolet absorbers, antiskinning agent, siccative.

9. taxus chinensis polyurethane paint as claimed in claim 1 is characterized in that: the N-BUTYL ACETATE that described solidifying agent is 40%, 22% Bayer N3390 and 38% SAPICI OK.D.S.

10. taxus chinensis polyurethane paint as claimed in claim 1, is characterized in that: the N-BUTYL ACETATE that described thinner is 75% and 25% propylene glycol monomethyl ether acetate.