Screen printing technology - plate making

One, net of carve paint film is printed edition
(one) recipe of paint film paper and make
1, the recipe of paper of paint film of dried meat gram and make
Recipe
Soft clear lacquer 100 grams
Fancy banana oil or 200—300 of acetic acid fourth ester are overcome
Castor oil 4—6 is overcome
Operation
Stick flimsy or cellophane on the board of level off or glass, press balata water, benzine 1: 1 allocate even, the grain that use a base is brushed on paper besmear brushs separator, need the spray paint after working, it is advisable that the spray gun when spray makes an appointment with 67 inches from paper face; On gush 78 can. Thickness is mastered by oneself, general paper of dried meat gram can have thick, medium, thin 3 kinds. Gush ground floor is waited for after working a bit again gush the 2nd, three-layer. . . . . . , if make an amount little, the grain that use a base is brushed brush make Yi Ke.
Soft clear lacquer is colorless transparent body, when making paper of dried meat gram, must spray paint coloring, add dye of a few royal blue or pinkish red, light green inside spray paint namely, facilitate differentiate when quarter edition, mix colors appropriate is weak, should not be too thick, affect the line of vision when carve otherwise, dye should dissolve with alcohol first.
Castor oil should change according to spray paint function, weather and metage of increase and decrease. 2 fourth ester are replaceable castor oil, but not as good as castor oil.
2, recipe of paper of isinglass paint film and make
Recipe
Fancy isinglass 20 grams
Rinse 100—300 is overcome
Glycerine 3—7 is overcome
Operation
Put isinglass into containing put clear water with container, evaporate is boiled dissolve, rejoin glycerine and dye of a few royal blue, with vitreous club sufficient mix is even, filter with silk screen of 100 eye above.
polyester film piece base stick in very smooth board or glass board on, the grain that use a base brushs too will chloric ethylene deliquescent agent besmear brushs oar and annulus second ketone to make separator on paper, wait for the spray after working or brush with ground lines brush make Yi Ke (methodological ibid) .
Make its nature fully dry, place dry leak place to deposit reserve.
When the air temperature when making up exceeds 180 ℃ , can add vitriolic natrium 1 gram.
3, the recipe of paper of paint film of nitro- varnish modified and make
Recipe
A square
Nitrify cotton 10 grams
Acetic acid fourth ester 90 grams
Ester of acetic acid second 50 grams
Ding Chun 10 grams
Toluene 40 grams
B square
3 get together colophony of cyanogen amine formaldehyde 12 grams
Alkyd of castor oil modified 20 grams
Operation
A just just undertakes mediating with B, sufficient mix is even.
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