Production of coating fabrics with high-peneration and waterproofing functions
A technology of waterproof coating and manufacturing method, which is applied in the direction of textiles and papermaking, can solve the problems of complicated process and long drying time of water-emulsion coating agent, and achieve broad sales prospects, excellent water resistance and good moisture permeability Effect
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Embodiment 1
[0022] A method for manufacturing a high moisture-permeable and highly waterproof coated fabric, comprising the following steps:
[0023] ① Mix the following components by weight to form a fabric coating agent:
[0024] Polyurethane polymer 100 parts
[0025] Polar solvent butanone (or methyl isobutyl ketone, isopropanol) 50 parts
[0026] Non-polar solvent benzene (or toluene, xylene) 50 parts
[0027] Water repellant 4 parts
[0028] 9 parts of film former
[0029] Cross-linking agent 2 parts
[0030] slip agent 4 parts
[0031] 90 parts of water;
[0032] ②Apply the prepared fabric coating agent evenly on the base cloth to form a coating, and put the coating into an oven for drying treatment before the fabric coating agent is dry. The drying treatment temperature is 50-150°C (for example 50°C, 100°C, 150°C), the processing time is 30 seconds to 3 minutes (eg 30 seconds, 1 minute, 2.5 minutes, 3 minutes).
[0033] After step 2. drying treatment, also carry out post-d...
Embodiment 2
[0045] The weight component that is mixed into fabric coating agent is:
[0046] Hydrophilic polyurethane polymer 100 parts
[0047] Polar solvent butanone (or methyl isobutyl ketone, isopropanol) 40 parts
[0048] 40 parts of non-polar solvent benzene (or toluene, xylene)
[0049] Water repellant 8 parts
[0050] Film forming agent 6 parts
[0051] 1 part of cross-linking agent
[0052] slip agent 10 parts
[0053] Brightener 10 parts
[0054] 130 parts of water;
[0055] Wherein the whitening powder adopts the whitening agent of conventional coating fabrics such as titanium dioxide, the X-2093 product that example Dainichi Seika Industry Co., Ltd. produces) all the other are with embodiment 1.
[0056] project
Embodiment 3
[0057] Embodiment 3: the weight component that is mixed into fabric coating agent is:
[0058] Hydrophilic polyurethane polymer 100 parts
[0059] Polar solvent butanone (or methyl isobutyl ketone, isopropanol) 60 parts
[0060] 60 parts of non-polar solvent benzene (or toluene, xylene)
[0061]Water repellant 2 parts
[0062] Film forming agent 15 parts
[0063] 3 parts of cross-linking agent
[0064] 70 parts of water;
[0065] All the other are with embodiment 1.
[0066] project
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