A kind of environment-friendly dipping liquid and preparation method thereof
A kind of dipping liquid, environment-friendly technology, applied in the fields of cord, canvas, dipped cord fabric, spool yarn dipping, can solve difficult problems, achieve the effect of less sticky roller, less waste rubber, easy to popularize and use
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Embodiment 1
[0023] An environmentally friendly dipping solution, comprising the following components by weight: 10 parts of blocked isocyanate (20 parts of caprolactam-blocked diphenylmethane diisocyanate aqueous dispersion with a concentration of 50% by mass), water-soluble epoxy resin 3 parts, 139 parts of butyl pyridine latex, 13.6 parts of maleic anhydride polybutadiene, 220 parts of pure water.
[0024] The method for preparing environment-friendly dipping solution, is characterized in that, comprises the following steps:
[0025] At a speed of 200 rpm,
[0026] 1) Add the blocked isocyanate to a part of pure water (100 parts), stir and mix for 30 minutes, then add water-soluble epoxy resin, after stirring and mixing for 60 minutes, add maleic anhydride polybutadiene, stir and mix for 30 minutes, and then add The pyridine latex was stirred and mixed for 60min to obtain a mixture;
[0027] 2) Add the remaining pure water to the mixture in step 1), mix well, and get the dipping solut...
Embodiment 2
[0029] An environmentally friendly dipping solution, comprising the following components by weight: 8.4 parts of blocked isocyanate (16.8 parts of an aqueous dispersion of caprolactam-blocked diphenylmethane diisocyanate with a concentration of 50% by mass), a water-soluble epoxy resin 2.5 parts, 116 parts of butyl pyridine latex, 11.4 parts of maleic anhydride polybutadiene, 175 parts of pure water.
[0030] The method for preparing environment-friendly dipping solution, is characterized in that, comprises the following steps:
[0031] At a speed of 100 rpm,
[0032] 1) Add the blocked isocyanate to a part of pure water (80 parts), stir and mix for 60 minutes, then add water-soluble epoxy resin, after stirring and mixing for 90 minutes, add maleic anhydride polybutadiene, stir and mix for 60 minutes, and then add Pyridine latex was stirred and mixed for 90min to obtain a mixture;
[0033] 2) Add the remaining pure water to the mixture in step 1), mix well, and get the dippi...
Embodiment 3
[0035] An environment-friendly dipping solution, comprising the following components by weight: 3.4 parts of blocked isocyanate (6.8 parts of an aqueous dispersion of caprolactam-blocked diphenylmethane diisocyanate with a concentration of 50% by mass), a water-soluble epoxy resin 1 part, 46.5 parts of butyl pyridine latex, 4.6 parts of maleic anhydride polybutadiene, 70 parts of pure water.
[0036] The preparation method thereof refers to Example 1, wherein the difference is that a part of pure water in step 1) is 40 parts.
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