Silicon chip amine-aldehyde resin glue, film adhesive paper capable of deodorizing and preparation method thereof
A silicon chip amine-formaldehyde resin and amine-formaldehyde resin technology, which is applied in the field of adhesive film paper that can deodorize, achieves strong adsorption and reduces the effect of formaldehyde release
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Embodiment 1
[0023] Preparation of urea-formaldehyde resin impregnation solution:
[0024] Take 100kg of formaldehyde solution with a mass concentration of 40%, urea 70kg, water 15kg, ethylene glycol 5kg, penetrant (fatty acid polyvinyl ether) 0.1kg, curing agent (hydrochloric acid and hexamethyltetramine mass ratio is 0.5:1) 0.9kg.
[0025] Put 100kg of formaldehyde solution and 15kg of water into the reaction kettle, add 28kg of urea, adjust the pH to 8.5, turn on the agitator, raise the temperature to 90°C, keep stirring for 30min, adjust the pH to 4.5, keep stirring at 90°C for 90min, add 5kg of ethylene glycol Alcohol, heat preservation and stirring for 15 minutes, adjust the pH to 7.5, cool down to 60°C, add 42kg of urea, heat preservation and stirring for 50min, cool down to 40°C and discharge to obtain urea-formaldehyde resin, take 100kg of urea-formaldehyde resin, 0.1kg of penetrating agent, 0.9kg of curing agent and mix Stir for 5 minutes to obtain a urea-formaldehyde resin impr...
Embodiment 2
[0041] Preparation of urea-formaldehyde resin impregnation solution:
[0042] Take 100kg of formaldehyde solution with a mass concentration of 40%, 80kg of urea, 20kg of water, 10kg of ethylene glycol, 0.3kg of penetrating agent (polyvinyl ether of fatty acid), curing agent (the mass ratio of hydrochloric acid and hexamethyltetramine is 0.5:1) 0.8kg.
[0043] Add 100kg of formaldehyde solution and 20kg of water to the reaction kettle, add 30kg of urea, adjust the pH to 8.5, turn on the agitator, raise the temperature to 90°C, keep stirring for 30min, adjust the pH to 4.5, keep stirring at 90°C for 90min, add 10kg of ethylene glycol Alcohol, heat preservation and stirring for 15 minutes, adjust the pH to 7.5, cool down to 60°C, add 50kg of urea, heat preservation and stirring for 50min, cool down to 40°C and discharge to obtain urea-formaldehyde resin, take 100kg of urea-formaldehyde resin, 0.3kg of penetrating agent, 0.8kg of curing agent and mix Stir for 5 minutes to obtain ...
Embodiment 3
[0059] Preparation of urea-formaldehyde resin impregnation solution:
[0060] Take 100kg of formaldehyde solution with a mass concentration of 40%, 73kg of urea, 10kg of water, 8kg of ethylene glycol, 0.2kg of penetrating agent (polyvinyl ether of fatty acid), curing agent (the mass ratio of hydrochloric acid and hexamethyltetramine is 0.5:1) 0.7kg.
[0061] Put 100kg of formaldehyde solution and 10kg of water into the reaction kettle, add 22kg of urea, adjust the pH to 8.5, turn on the agitator, raise the temperature to 90°C, keep stirring for 30min, adjust the pH to 4.5, keep stirring at 90°C for 90min, add 8kg of ethylene glycol Alcohol, heat preservation and stirring for 15 minutes, adjust the pH to 7.5, cool down to 60°C, add 51kg of urea, heat preservation and stirring for 50min, cool down to 40°C and discharge to obtain urea-formaldehyde resin, take 100kg of urea-formaldehyde resin, 0.2kg of penetrating agent, 0.7kg of curing agent and mix Stir for 5 minutes to obtain ...
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