CN102241924B

CN102241924B - Modified cellulose nitrate matt varnish for woodware

Info

Publication number: CN102241924B
Application number: CN 201110175381
Authority: CN
Inventors: 方学平
Original assignee: GUANGDONG BADESE CHEMICAL CO Ltd
Current assignee: GUANGDONG BADESE CHEMICAL CO Ltd
Priority date: 2011-06-27
Filing date: 2011-06-27
Publication date: 2013-02-06
Anticipated expiration: 2031-06-27
Also published as: CN102241924A

Abstract

The invention provides a modified cellulose nitrate matt varnish for a woodware. When coating is carried out, the weight ratio of component A to component B is 1:0.2, wherein (1) the component A comprises the following ingredients by weight percent: 70% of alkyd resin, 60% of rosin liquid, 0.3%-0.5% of defoamer, 0.2%-0.3% of flatting agent, 0.1%-0.2% of dispersing agent, 1%-2% of epoxidized soybean oil, 1%-2% of acetic ester, 3%-5% of dimethylbenzene, 1%-2% of propylene glycol methyl ether acetate, 40%-45% of H-2021 nitro-cotton liquid, 3%-5% of extinction additive and 1%-2% of n-butyl acetate; and (2) the component B comprises the following ingredients by weight percent: 40%-50% of dimethylbenzene, 10%-15% of ethanol, 15-20% of n-butyl acetate, 10%-15% of acetic ether and 8%-12% of propylene glycol methyl ether acetate. In the matt varnish provided by the method, the extinction additive is used so as to replace an extinction powder, thus a test and probation prove that the cellulose nitrate matt varnish has no dust pollution on environment in the production process, good construction leveling property, good fullness, high hardness and good transparence, dose not turn pale and is suitable for coating of a bark slab; and the environmental performance of the cellulose nitrate matt varnish meets GB18581-2009.

Description

A kind of woodenware of modification matte varnish of Nitrocellulose class

Technical field

The present invention relates to a kind of environmentally friendly nitro dumb light lacquer that does not add powder.

Background technology

Present prior art, tradition dumb light pyroxylin(e)finish is to make paint film reach certain flatting efficiency, the general employing added a certain amount of flatting silica to reach the purpose of delustring in process of production, and flatting silica is a kind of powdered object that easily flies upward, in adding the process of flatting silica, easily produce a large amount of dust from flying, inevitable and cause environmental pollution, the injury that the suction of dust causes the Manufacturing Worker.

Summary of the invention

The problem of solution of the present invention is: the matte varnish of a kind of woodenware of modification with the Nitrocellulose class is provided, it replaces traditional flatting silica by the acidic group polymeric liquid material that contains that interpolation has extinction effect, has avoided in process of production dust from flying to cause pollution to environment.

The present invention is achieved in that a kind of woodenware of modification matte varnish of Nitrocellulose class, and the first and second component weight ratios are during application: 1: 0.2,

(1) first component weight proportion:

(2) component B weight proportion:

The woodenware of the described a kind of modification matte varnish of Nitrocellulose class, the weight ratio of the preparation of described 1/2 second nitro-cotton

The weight ratio of the preparation of (2) 60% rosin liquids

Rosin 60%

Dimethylbenzene 40%.

The woodenware of a kind of modification of the present invention is with the matte varnish of Nitrocellulose class, nitro matte varnish of the present invention, after testing and probationary certificate, workability is good, paint film has the excellent transparency, and the recoat non-whitening is particularly in process of production to the environment no dust pollution.

Embodiment

Embodiment 1

A kind of woodenware of modification matte varnish of Nitrocellulose class, the first and second component weight ratios are during application: 1: 0.2,

The weight proportion of first component:

The rosin liquid 2% of 70% Synolac 40%, 60%,

Defoamer 0.3%, flow agent 0.2%,

Dispersion agent 0.1%, epoxy soybean oil 1.5%,

Vinyl acetic monomer 1%, dimethylbenzene 4.4%,

1.5%, 1/2 second nitro-cotton liquid 43.5% of 1-Methoxy-2-propyl acetate,

Delustring auxiliary agent 4%, n-butyl acetate 1.5%;

Total amount: 100Kg

70% Synolac, 60% rosin liquid, dispersion agent, flow agent, defoamer, epoxy soybean oil, 1-Methoxy-2-propyl acetate, vinyl acetic monomer and dimethylbenzene are added the dispersion cylinder successively, speed adjustable disperser is controlled at 600-800 with rotating speed and turns | minute dispersion 3-5 minute, again 1/2 second nitro-cotton liquid is added and disperse cylinder, speed adjustable disperser is controlled at 800-1000 with rotating speed and turns | minute dispersion 5-8 minute, and adding delustring auxiliary agent n-butyl acetate speed adjustable disperser is controlled at 800-1000 with rotating speed and turns | minute dispersion 5-10 minute.

Dispersion agent model EFKA4010, flow agent model EFKA3030,

The weight proportion of component B:

Dimethylbenzene 40%, ethanol 15%, n-butyl acetate 20%,

Vinyl acetic monomer 15%, 1-Methoxy-2-propyl acetate 10%;

Total amount: 100Kg

The positive butyl ester vinyl acetic monomer of dimethylbenzene acetate ethanol 1-Methoxy-2-propyl acetate is dropped into the dispersion cylinder, be uniformly dispersed.

The weight ratio of the preparation of 1/2 second nitro-cotton

With 90% of the anti-yellowing change auxiliary agent of isopropylcarbinol vinyl acetic monomer nitro n-butyl acetate total amount, drop into and disperse cylinder, startup adjustable speed dispersion machine is controlled at 400 rev/mins with rotating speed to be disperseed.Being uniformly dispersed adds while stirring afterwards slowly with in the nitro-cotton input cylinder, and rotating speed is controlled at 400 rev/mins, after the nitro-cotton that solvent will drop into first soaks, can drop into next bag nitro-cotton, after nitro-cotton had been thrown, the n-butyl acetate of surplus cleaned up the cylinder limit and disperses axle.After nitro-cotton soaks fully, improve rotating speed to 600 and rev/min dissolve, barrelling is for subsequent use after the dissolving evenly.

The weight ratio of the preparation of (2) 60% rosin liquids

Rosin 60%

Dimethylbenzene 40%.

90% of the total amount of dimethylbenzene dropped into disperse cylinder, start the adjustable speed dispersion machine and rotating speed is controlled at 400 rev/mins disperses.Slowly with in the rosin input cylinder, add while stirring, after rosin had been thrown, the dimethylbenzene of surplus cleaned up the cylinder limit and disperses axle, improved rotating speed to 600 and rev/min dissolved, be dissolved into agranular liquid fully after barrelling for subsequent use.

Embodiment 2

The weight proportion of first component:

The rosin liquid 2.1% of 70% Synolac 45%, 60%,

Defoamer 0.5%, flow agent 0.2%,

Dispersion agent 0.2%, epoxy soybean oil 1%,

Vinyl acetic monomer 2%, dimethylbenzene 3%,

2%, 1/2 second nitro-cotton liquid 40% of 1-Methoxy-2-propyl acetate,

Delustring auxiliary agent 3%, n-butyl acetate 1%;

The weight proportion of component B:

Dimethylbenzene 50%, ethanol 10%,

N-butyl acetate 15%, vinyl acetic monomer 13%,

1-Methoxy-2-propyl acetate 12%;

Embodiment 3

The weight proportion of first component:

The rosin liquid 2.3% of 70% Synolac 40%, 60%,

Defoamer 0.3%, flow agent 0.3%,

Dispersion agent 0.1%, epoxy soybean oil 1%,

Vinyl acetic monomer 1%, dimethylbenzene 5%,

1%, 1/2 second nitro-cotton liquid 45% of 1-Methoxy-2-propyl acetate,

Delustring auxiliary agent 3%, n-butyl acetate 1%;

The weight proportion of component B:

Dimethylbenzene 50%, ethanol 14%,

N-butyl acetate 18%, vinyl acetic monomer 10%,

1-Methoxy-2-propyl acetate 8%;

Embodiment 4

The weight proportion of first component:

The rosin liquid 5% of 70% Synolac 40%, 60%,

Defoamer 0.5%, flow agent 0.2%,

Dispersion agent 0.1%, epoxy soybean oil 2%,

Vinyl acetic monomer 1%, dimethylbenzene 5%,

1%, 1/2 second nitro-cotton liquid 40% of 1-Methoxy-2-propyl acetate,

Delustring auxiliary agent 3.2%, n-butyl acetate 2%;

Each performance index of nitro matte varnish of the present invention are as follows:

Dry

Test item	Unit	Test result
			Particulate matter	Mg/m ³	0.262

Above-described only is preferential embodiment of the present invention.Should be pointed out that for the person of ordinary skill of the art in the situation that does not break away from the principle of the invention, can also make some improvement and modification, this also is considered as protection scope of the present invention.

Claims

1. the woodenware of a modification is with the matte varnish of Nitrocellulose class, and the first and second component weight ratios are during application: 1: 0.2

(1) first component weight proportion:

(2) component B weight proportion:

Dimethylbenzene 40%～50%, ethanol 10%～15%,

N-butyl acetate 15%-20%, vinyl acetic monomer 10%～15%,

1-Methoxy-2-propyl acetate 8%～12%.

2. the woodenware of a kind of modification according to claim 1 is characterized in that with the matte varnish of Nitrocellulose class:

The weight ratio of the preparation of (1) 1/2 second nitro-cotton liquid

Isopropylcarbinol 9%, vinyl acetic monomer 15.8%,

The anti-yellowing change auxiliary agent 0.2% of nitro, n-butyl acetate 25%,

Nitrocellulose 50% in 1/2 second;

The weight ratio of the preparation of (2) 60% rosin liquid

Rosin 60%, dimethylbenzene 40%.