Production method of no-yellowing composite leather
A production method and technology for synthetic leather, applied in the field of leather making, can solve the problems that synthetic leather does not have NOX resistance, cannot be effectively treated for solvent volatilization, and has poor anti-oxidation effect, so as to improve anti-oxidation performance and increase printing processing. Process, the effect of avoiding yellowing
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Embodiment 1
[0019] The production method of the non-yellowing synthetic leather of the present invention is realized through the following steps:
[0020] 1, raw material preparation: with the non-yellowing resin of 100 parts by weight, the DMF (dimethylformamide) of 40 parts by weight, the MEK (butanone) of 5 parts by weight, the TOL (toluene) of 5 parts by weight, the TOL (toluene) of 3 parts by weight Antioxidant auxiliary agent and appropriate amount of pigment are made into lining; With the hydrolysis-resistant base material of 100 weight parts, the DMF of 30 weight parts, the MEK of 10 weight parts, the TOL of 5 weight parts, the antioxidative auxiliary agent of 3 weight parts and Appropriate amount of coloring material is made into base material; suitable base material is selected, and wet semi-finished product BASE can be used here;
[0021] 2. Dry coating: According to the conventional dry coating method, the fabric is coated and scraped on the surface of the release paper, and t...
Embodiment 2
[0024] The production method of the non-yellowing synthetic leather of the present invention is realized through the following steps:
[0025] 1, raw material preparation: with the non-yellowing resin of 100 parts by weight, the DMF (dimethylformamide) of 35 parts by weight, the MEK (butanone) of 7 parts by weight, the TOL (toluene) of 7 parts by weight, the TOL (toluene) of 4 parts by weight Antioxidant auxiliary agent and appropriate colorant are made into lining; With the anti-oxidation auxiliary agent of 100 weight parts of hydrolysis-resistant primer, 27 weight parts of DMF, 11 weight parts of MEK, 6 weight parts of TOL, 4 weight parts of antioxidant auxiliary agent and Appropriate amount of coloring material is made into base material; suitable base material is selected, and wet semi-finished product BASE can be used here;
[0026] 2. Dry coating: According to the conventional dry coating method, the fabric is coated and scraped on the surface of the release paper, and t...
Embodiment 3
[0029] The production method of the non-yellowing synthetic leather of the present invention is realized through the following steps:
[0030] 1, raw material preparation: with the non-yellowing resin of 100 parts by weight, the DMF (dimethylformamide) of 45 parts by weight, the MEK (butanone) of 3 parts by weight, the TOL (toluene) of 3 parts by weight, the TOL (toluene) of 2 parts by weight Antioxidant auxiliary agent and appropriate amount of pigment are made into lining; With the hydrolysis-resistant bottom material of 100 weight parts, the DMF of 33 weight parts, the MEK of 9 weight parts, the TOL of 3 weight parts, the antioxidative auxiliary agent of 2 weight parts and Appropriate amount of coloring material is made into base material; suitable base material is selected, and wet semi-finished product BASE can be used here;
[0031] 2. Dry coating: According to the conventional dry coating method, the fabric is coated and scraped on the surface of the release paper, and ...
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