Microcapsules for carbon-free paper coating achieved through deinked pulp carbon-free raw paper and production technology of microcapsules
A production process and microcapsule technology, applied in the field of papermaking, can solve the problems of uneven coating on the paper surface, poor color rendering effect of the finished carbonless paper, etc., and achieve the effects of low cost, strong viscosity reduction, and uniform particle size.
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Embodiment 1
[0052] A microcapsule suitable for coating carbonless paper with deinking pulp carbonless base paper, said microcapsule comprising the following raw material components:
[0053] Wall material: 110~120 parts of formaldehyde, 35~55 parts of alcohol, 30~50 parts of melamine;
[0054] Color oil: 250~350 parts of solvent oil, 12~22 parts of crystal violet lactone;
[0055] Emulsifying raw materials: 80-90 parts of emulsifier, 18-30 parts of urea, 1-2 parts of glacial acetic acid, 20-30 parts of alcohol.
Embodiment 2
[0057] A microcapsule suitable for coating carbonless paper with deinking pulp carbonless base paper, said microcapsule comprising the following raw material components:
[0058] Wall material: 110~115 parts of formaldehyde, 30~40 parts of alcohol, 35~45 parts of melamine;
[0059] Color oil: 250~280 parts of solvent oil, 12~15 parts of crystal violet lactone;
[0060] Emulsifying raw materials: 80~85 parts of emulsifier, 18~20 parts of urea, 1~1.5 parts of glacial acetic acid, 20~25 parts of alcohol.
Embodiment 3
[0062] A microcapsule suitable for coating carbonless paper with deinking pulp carbonless base paper, said microcapsule comprising the following raw material components:
[0063] Wall material: 115~120 parts of formaldehyde, 40~55 parts of alcohol, 35~45 parts of melamine;
[0064] Color oil: 280~350 parts of solvent oil, 15~22 parts of crystal violet lactone;
[0065] Emulsifying raw materials: 85-90 parts of emulsifier, 20-30 parts of urea, 1.5-2 parts of glacial acetic acid, 25-30 parts of alcohol.
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