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AMINOPLAST ADHESIVE RESIN POWDER FOR WOOD-BASED MATERIALS,WHICH ELIMINATES LITTLE FORMALDEHYDE A PROCESS FOR ITS PREPARATION AND A FORMULATED AMINOPLAST ADHESIVE RESIN POWDER
AMINOPLAST ADHESIVE RESIN POWDER FOR WOOD-BASED MATERIALS,WHICH ELIMINATES LITTLE FORMALDEHYDE A PROCESS FOR ITS PREPARATION AND A FORMULATED AMINOPLAST ADHESIVE RESIN POWDER
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机译:用于木材的氨塑料胶粉,消除了小甲醛的制备方法和配方的氨塑料胶粉
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摘要
In a proposed aminoplast adhesive resin powder for wood-based materials, which eliminates little formaldehyde, the resin is a mixture of (a) from 40 to 75 parts by weight of a urea/formaldehyde resin having a molar ratio of urea to formaldehyde of from 1:1.4 to 1:2, (b) from 10 to 20 parts by weight of a melamine/formaldehyde resin having a molar ratio of melamine to formaldehyde of from 1:1.3 to 1:3, (c) from 15 to 25 parts by weight of milled urea and (d) from 0.3 to 5 parts by weight of a flow improver, as well as up to 10 parts by weight of water and, if required, up to 10 parts by weight of other additives, the number of parts by weight of the components summing to 100.
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