Water transfer printing paper and preparation method thereof
A technology of water transfer printing paper and backing paper, which is applied in the direction of adding inorganic compounds, etc., which can solve the problems of unsmooth film release, insufficiently clear and smooth pattern layer, and insufficiently smooth and clean surface, so as to achieve smooth and clear printing patterns and improve transfer printing accuracy , the effect of reasonable coating thickness
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Embodiment 1
[0045] (1) Preparation of coating solution:
[0046] Hydrosol layer coating solution: prepare a mixed aqueous solution of kaolin, styrene-butadiene emulsion, diffusing agent and polyvinyl alcohol, wherein the mass fractions of kaolin, styrene-butadiene emulsion, alkylphenol polyoxyethylene ether and polyvinyl alcohol are 40%, 10%, 1%, 3%;
[0047] Preparation of active colloid layer coating solution: prepare a mixed aqueous solution of whitening agent sodium alginate and tapioca starch, the mass fractions of the whitening agent sodium alginate and tapioca starch are 0.6% and 42% respectively;
[0048] The preparation of white colloid layer coating solution: the aqueous solution that the mass fraction of cassava starch is prepared is 40%;
[0049] Preparation of the coating solution for the colloidal layer on the reverse side: prepare an aqueous solution with a mass fraction of corn synthetic starch of 30%;
[0050] (2) Coating the white colloidal layer coating solution on th...
Embodiment 2
[0055] (1) Preparation of coating solution:
[0056] Coating solution for hydrosol layer: prepare a mixed aqueous solution of kaolin, styrene-butadiene emulsion, diffusing agent and polyvinyl alcohol, wherein the mass fractions of kaolin, styrene-butadiene emulsion, sodium methylene bis-tetrasulfonate and polyvinyl alcohol are 43% respectively , 15%, 1%, 3%;
[0057] Preparation of active colloidal layer coating solution: prepare a mixed aqueous solution of whitening agent VBL and tapioca starch, the mass fractions of the whitening agent VBL and tapioca starch are respectively 0.5%, 35%;
[0058] The preparation of white colloid layer coating solution: the aqueous solution that the mass fraction of cassava starch is prepared is 35%;
[0059] Preparation of the coating solution for the colloidal layer on the reverse side: prepare an aqueous solution with a mass fraction of corn synthetic starch of 40%;
[0060] (2) Coating the white colloidal layer coating solution on the front...
Embodiment 3
[0065] (1) Preparation of coating solution:
[0066] Coating solution for hydrosol layer: prepare a mixed aqueous solution of kaolin, styrene-butadiene emulsion, diffusing agent and polyvinyl alcohol, wherein the mass fractions of kaolin, styrene-butadiene emulsion, sodium methylene bis-tetrasulfonate and polyvinyl alcohol are 45% respectively , 15%, 1.2%, 3%;
[0067] The preparation of active colloidal layer coating solution: prepare the mixed aqueous solution of whitening agent VBL and tapioca starch, the mass fraction of described whitening agent VBL and tapioca starch is respectively 0.5%, 40%;
[0068] The preparation of white colloid layer coating solution: the aqueous solution that the mass fraction of tapioca starch is prepared is 45%;
[0069] Preparation of the coating solution for the colloidal layer on the reverse side: prepare an aqueous solution with a mass fraction of corn synthetic starch of 35%;
[0070] (2) Coating the white colloid layer coating solution ...
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