Summary of the invention
The object of the invention is to for the deficiencies in the prior art, provide a kind of and can directly on coating denim, carry out stamp, and after processing, still can obtain the coating denim printing mortar of good every COLOR FASTNESS through washing, stone mill.
Another object of the present invention is to provide utilizes above-mentioned coating denim with printing mortar, coating denim to be carried out the screen printing method of stamp.
Above-mentioned purpose of the present invention is achieved by following scheme:
A denim printing mortar, its formula is meter by weight, these three components of component A, B component and component C, consists of, specific as follows:
(1) 15~20 parts of component A acrylic ester adhesives, 5~10 parts of polyurethane binder, 0.5~0.8 part of emulsifying agent, 0.5~2 part of thickener, 0.3~0.8 part of di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate and softener are 0.5~1 part;
(2) B component crosslinking agent is 0.5~3 part;
(3) component C dimethyl sulfoxide (DMSO) is 2~4 parts.
The adhesive that can be used for textile printing can be divided into acrylate adhesive, butadiene type adhesive, vinylacetate class adhesive and polyurethane binding by its chemical constitution, selects acrylic ester adhesive and polyurethane binder in said components A; Described acrylate adhesive is methyl acrylate, methyl methacrylate, methylol methyl acrylate, hexyl acrylate or n-BMA etc., described polyurethane binding is PACESTTER LU-551, URA301G or UN20 etc., and described PACESTTER LU-551, URA301G or UN20 are commercially available trade name; In component A of the present invention, for the adhesive of COAT PRINTING, be mainly acrylic ester type, inventor can improve the feel of fabric by collocation polyurethane-type, makes it more soft comfortable.
In said components A, emulsifying agent adopts emulsifier op-10, emulsifying agent TX-10, emulsifying agent SOPE series or Emulsifier MOA series etc.
In said components A, thickener adopts thickener TLC-1, thickener 601A, thickener 701A, thickener BE903, thickener PT-669 or thickening agent PTF etc.
In said components A, softener adopts softener SF8800, softener HD-80, softener DL-AR, softener A D-HUP908 or softener sg etc.
In said components A, di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate has been peptizaiton, di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate be otherwise known as dispersant NNO or sodium metnylene bis-naphthalene sulfonate.
In said components B, crosslinking agent adopts crosslinking aid S aC-100, crosslinking agent K-106 or crosslinking agent LCA-DA etc.
In said components C, auxiliary agent is dimethyl sulfoxide (DMSO) Dmso, and this auxiliary agent can destroy in stamp process needs the coating denim at stamp position water proofing property coating, makes adhesive and the bonding film forming of denim cloth cover fiber, increases fastness.
Above-mentioned coating denim is by joining in ball mill after each material mixing in component A, obtaining component A after fully grinding and stirring and evenly mixing by the preparation method of component A in printing mortar, standby.
When above-mentioned coating denim is used with printing mortar, after being mixed, the component A preparing, B component and component C directly on coating denim, carry out stamp.
The inventor also provides a kind of screen printing method of using above-mentioned printing mortar to carry out coating denim, and this screen printing method is based on existing screen printing method, to half tone, scraper, scrape condition and color fixing condition is optimized as follows:
1. half tone
(1) adopt the T-shaped silk screen of monofilament polyester plain weave, its mesh is 80~100 order/inches;
(2) the net tension force that stretches tight is 20N/cm;
(3) adopt water-resistant type photoresists coating meshi fabric to form light sensitivity film, film thickness is 20 μ m;
2. scraper
Adopt polyurethane scraper, blade thickness is that 12mm, hardness are that 60 °, cutting edge are right angle;
3. scrape condition
The angle of scraper is that 75 °, pressure are 1.7kg/cm
2, the speed of service is 0.6m/s, scrape twice;
4 color fixing conditions
Stamp post-drying or air dry, dry 150 ℃ * 2min fixation through guide belt infrared drier heat.
Compared with prior art, the present invention has following beneficial effect:
1. coating denim of the present invention is comprised of component A, B component and tri-components of component C jointly with printing mortar, component C can destroy the coating that coating denim has water proofing property, then component A generation self-crosslinking is combined with denim cloth cover fiber, then B component plays and impels component A that the crosslinked action of better bonding occurs, form stable network structure, further improve its every COLOR FASTNESS.To needing the position of stamp to dissolve in advance waterproof coating, then row stamp form new waterproof coating.
2. coating denim of the present invention can directly carry out stamp with printing mortar on coating denim, and after processing, still can obtain good every COLOR FASTNESS through washing, stone mill.
The specific embodiment
Basic embodiment of the present invention is to provide a kind of coating denim printing mortar, and its formula is meter by weight, these three components of component A, B component and component C, consists of, specific as follows:
(1) 15~20 parts of component A acrylic ester adhesives, 5~10 parts of polyurethane binder, 0.5~0.8 part of emulsifying agent, 0.5~2 part of thickener, 0.3~0.8 part of di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate and softener are 0.5~1 part;
(2) B component crosslinking agent is 0.5~3 part;
(3) component C dimethyl sulfoxide (DMSO) is 2~4 parts.
The adhesive that can be used for textile printing can be divided into acrylate adhesive, butadiene type adhesive, vinylacetate class adhesive and polyurethane binding by its chemical constitution, selects acrylic ester adhesive and polyurethane binder in said components A; Described acrylate adhesive is methyl acrylate, methyl methacrylate, methylol methyl acrylate, hexyl acrylate or n-BMA etc., described polyurethane binding is PACESTTER LU-551, URA301G or UN20 etc., and described PACESTTER LU-551, URA301G or UN20 are commercially available trade name; In component A of the present invention, for the adhesive of COAT PRINTING, be mainly acrylic ester type, inventor can improve the feel of fabric by collocation polyurethane-type, makes it more soft comfortable.
In said components A, emulsifying agent adopts emulsifier op-10, emulsifying agent TX-10, emulsifying agent SOPE series or Emulsifier MOA series etc.
In said components A, thickener adopts thickener TLC-1, thickener 601A, thickener 701A, thickener BE903, thickener PT-669 or thickening agent PTF etc.
In said components A, softener adopts softener SF8800, softener HD-80, softener DL-AR, softener A D-HUP908 or softener sg etc.
In said components A, di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate has been peptizaiton, di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate be otherwise known as dispersant NNO or sodium metnylene bis-naphthalene sulfonate.
In said components B, crosslinking agent adopts crosslinking aid S aC-100, crosslinking agent K-106 or crosslinking agent LCA-DA etc.
In said components C, auxiliary agent is dimethyl sulfoxide (DMSO) Dmso, and this auxiliary agent can destroy in stamp process needs the coating denim at stamp position water proofing property coating, makes adhesive and the bonding film forming of denim cloth cover fiber, increases fastness.
Below in conjunction with specific embodiment, the present invention is done further and described, but specific embodiment is not done any restriction to the present invention.
embodiment 1
The present embodiment coating denim printing mortar, its formula by weight meter, by these three components of component A, B component and component C, formed, specific as follows shown in:
(1) component A
15 parts of acrylic ester adhesives;
10 parts of polyurethane binder;
0.5 part of emulsifying agent;
2 parts of thickeners;
0.3 part of di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate;
1 part of softener;
(2) B component
3 parts of crosslinking agents;
(3) component C
4 parts of dimethyl sulfoxide (DMSO) Dmso.
In said components A, acrylate adhesive adopts methyl acrylate;
In said components A, polyurethane binding adopts PACESTTER LU-551;
In said components A, emulsifying agent adopts emulsifier op-10;
In said components A, thickener adopts thickener 601A;
In said components A, softener adopts softener SF8800;
In said components B, crosslinking agent adopts crosslinking aid S aC-100;
In said components C, auxiliary agent is dimethyl sulfoxide (DMSO) Dmso.
No matter above-mentioned, be adhesive or emulsifying agent, thickener, softener, crosslinking agent etc., all can adopt two or more mixture, or a kind of single material.Generally, can not use two or more, to prevent the impact of compatible and chemical reaction.
Above-mentioned coating denim is by joining in ball mill after each material mixing in component A, obtaining component A after fully grinding and stirring and evenly mixing by the preparation method of component A in printing mortar, standby.
When the present embodiment coating denim is used with printing mortar, after being mixed, the component A preparing, B component and component C directly on coating denim, carry out stamp.
embodiment 2
The present embodiment coating denim printing mortar, its formula by weight meter, by these three components of component A, B component and component C, formed, specific as follows shown in:
(1) component A
20 parts of acrylic ester adhesives;
5 parts of polyurethane binder;
0.8 part of emulsifying agent;
0.5 part of thickener;
0.8 part of di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate;
1 part of softener;
(2) B component
0.5 part of crosslinking agent;
(3) component C
3 parts of dimethyl sulfoxide (DMSO) Dmso.
In said components A, acrylate adhesive adopts methyl methacrylate and hexyl acrylate;
In said components A, polyurethane binding adopts PACESTTER LU-551;
In said components A, emulsifying agent adopts emulsifying agent TX-10;
In said components A, thickener adopts thickener TLC-1;
In said components A, softener adopts softener DL-AR;
In said components B, crosslinking agent adopts crosslinking aid S aC-100;
In said components C, auxiliary agent is dimethyl sulfoxide (DMSO) Dmso.
Above-mentioned coating denim is by joining in ball mill after each material mixing in component A, obtaining component A after fully grinding and stirring and evenly mixing by the preparation method of component A in printing mortar, standby.
When the present embodiment coating denim is used with printing mortar, after being mixed, the component A preparing, B component and component C directly on coating denim, carry out stamp.
embodiment 3
The present embodiment coating denim printing mortar, its formula by weight meter, by these three components of component A, B component and component C, formed, specific as follows shown in:
(1) component A
18 parts of acrylic ester adhesives;
6 parts of polyurethane binder;
0.7 part of emulsifying agent;
0.5 part of thickener;
0.5 part of di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate;
0.5 part of softener;
(2) B component
2.5 parts of crosslinking agents;
(3) component C
2 parts of dimethyl sulfoxide (DMSO) Dmso.
In said components A, acrylate adhesive adopts n-BMA;
In said components A, polyurethane binding adopts UN20 and URA301G;
In said components A, emulsifying agent adopts emulsifier op-10 and emulsifying agent TX-10;
In said components A, thickener adopts thickener BE903 and thickener PT-669;
In said components A, softener adopts softener sg;
In said components B, crosslinking agent adopts crosslinking aid S aC-100 and crosslinking agent K-106;
In said components C, auxiliary agent is dimethyl sulfoxide (DMSO) Dmso.
Above-mentioned coating denim is by joining in ball mill after each material mixing in component A, obtaining component A after fully grinding and stirring and evenly mixing by the preparation method of component A in printing mortar, standby.
When the present embodiment coating denim is used with printing mortar, after being mixed, the component A preparing, B component and component C directly on coating denim, carry out stamp.
embodiment 4
The present embodiment coating denim printing mortar, its formula by weight meter, by these three components of component A, B component and component C, formed, specific as follows shown in:
(1) component A
16 parts of acrylic ester adhesives;
9 parts of polyurethane binder;
0.7 part of emulsifying agent;
1 part of thickener;
0.5 part of di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate;
0.8 part of softener;
(2) B component
1.5 parts of crosslinking agents;
(3) component C
3.5 parts of dimethyl sulfoxide (DMSO) Dmso.
In said components A, acrylate adhesive adopts the mixture of methylol methyl acrylate, methyl acrylate and n-BMA;
In said components A, polyurethane binding adopts UN20;
In said components A, emulsifying agent adopts emulsifier op-10;
In said components A, thickener adopts thickening agent PTF;
In said components A, softener adopts softener A D-HUP908;
In said components B, crosslinking agent adopts crosslinking aid S aC-100;
In said components C, auxiliary agent is dimethyl sulfoxide (DMSO) Dmso.
Above-mentioned coating denim is by joining in ball mill after each material mixing in component A, obtaining component A after fully grinding and stirring and evenly mixing by the preparation method of component A in printing mortar, standby.
When the present embodiment coating denim is used with printing mortar, after being mixed, the component A preparing, B component and component C directly on coating denim, carry out stamp.
embodiment 5
With printing mortar, adopt identical screen printing method respectively coating denim to be carried out to stamp processing the coating denim of embodiment 1~4, described screen printing method is based on existing screen printing method, to half tone, scraper, scrape condition and color fixing condition is optimized as follows:
1. half tone
(1) adopt the T-shaped silk screen of monofilament polyester plain weave, its mesh is 80~100 order/inches;
(2) the net tension force that stretches tight is 20N/cm;
(3) adopt water-resistant type photoresists coating meshi fabric to form light sensitivity film, film thickness is 20 μ m;
2. scraper
Adopt polyurethane scraper, blade thickness is that 12mm, hardness are that 60 °, cutting edge are right angle;
3. scrape condition
The angle of scraper is that 75 °, pressure are 1.7kg/cm
2, the speed of service is 0.6m/s, scrape twice;
4 color fixing conditions
Stamp post-drying or air dry, dry 150 ℃ * 2min fixation through guide belt infrared drier heat.
After screen printing finishes, carry out performance test, result is as follows:
The coating denim of embodiment 1~4 all can directly carry out stamp with printing mortar on coating denim, and after washing, stone mill are processed, the rubber cement epithelium of stamp there will not be obscission, still can obtain good every COLOR FASTNESS.