Capsule oil seepage preventing coating for filler-capsule-type tipping paper and preparation method of capsule oil seepage preventing coating
The technology of tipping paper and bead oil is applied in the field of coatings, which can solve the problems of affecting the quality of cigarette packaging, weak lap bonding, and glue opening, etc., and achieve the effects of simple and easy control of the process, dense coating structure and good adhesion.
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Embodiment 1
[0024] A kind of anti-seepage bead oil coating for popping bead type tipping paper is implemented according to the following technical scheme:
[0025] The specific formula is calculated in parts by weight: 20 parts of water-based polyurethane emulsion, 12 parts of styrene-acrylic emulsion, 5 parts of vinyl acetate-ethylene copolymer emulsion, 1 part of water-based blocked isocyanate crosslinking agent, 0.1 part of wetting agent, defoaming 0.05 parts of agent, 61.85 parts of purified water, appropriate amount of pH regulator.
[0026] Follow the steps below for production:
[0027] (1) Add the vinyl acetate-ethylene copolymer emulsion and purified water weighed according to the proportion into the container at room temperature and stir for 20 to 30 minutes at a stirring speed of 300-500r / min until it is completely dispersed and uniform, then adjust the system with dimethylethanolamine When the pH reaches 7-9, mixed solution A is obtained;
[0028] (2) Under the stirring condit...
Embodiment 2
[0032] A kind of anti-seepage bead oil paint for popping bead type tipping paper is implemented according to the following technical scheme: the specific formula is calculated in parts by weight: 22 parts of water-based polyurethane emulsion, 11 parts of styrene-acrylic acid emulsion, vinyl acetate- 6 parts of ethylene copolymer emulsion, 2 parts of water-based blocked isocyanate crosslinking agent, 0.3 part of octylphenol polyoxyethylene ether non-ionic wetting agent, 0.08 part of polyether siloxane copolymer emulsion, 58.62 parts of purified water, Appropriate amount of dimethylethanolamine.
[0033] Concrete production steps are with embodiment 1.
Embodiment 3
[0035] A kind of anti-seepage bead oil coating for popping bead type tipping paper is implemented according to the following technical scheme: the specific formula is calculated in parts by weight: 25 parts of water-based polyurethane emulsion, 10 parts of styrene-acrylic acid emulsion, vinyl acetate- 7 parts of ethylene copolymer emulsion, 3 parts of water-based blocked isocyanate crosslinking agent, 0.5 part of octylphenol polyoxyethylene ether non-ionic wetting agent, 0.1 part of polyether siloxane copolymer emulsion, 54.4 parts of purified water, Appropriate amount of dimethylethanolamine.
[0036] Concrete production steps are with embodiment 1.
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