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E0-grade melamine modified urea-formaldehyde resin adhesive, and preparation method and application thereof

The invention relates to an E0-grade melamine modified urea-formaldehyde resin adhesive, and a preparation method and application thereof. The E0-grade melamine modified urea-formaldehyde resin adhesive is characterized by comprising an E0-grade melamine modified urea-formaldehyde resin, a composite curing agent and a composite filler, wherein the E0-grade melamine modified urea-formaldehyde resin is prepared from the following raw materials in parts by mass: 100 parts of formaldehyde, 0.1-0.5 part of polyvinyl alcohol, 100-200ml of basic catalyst and 200-400ml of acidic catalyst; the mol ratio of the formaldehyde to the urea+melamine (F / (U+M)) is equal to 0.80-0.98; the composite curing agent is prepared from the following raw materials in parts by mass: 200-250 parts of ammonium chloride, 150-200 parts of oxalic acid, 400-450 parts of citric acid, 100-150 parts of tartaric acid and 500-800 parts of water; and the composite filler is prepared from the following raw materials in parts by mass: 60 parts of industrial flour, 20 parts of 800-mesh light calcium carbonate and 20 parts of 800-mesh wood meal. The E0-grade melamine modified urea-formaldehyde resin adhesive is used for gluing plates. The E0-grade melamine modified urea-formaldehyde resin adhesive has the advantages of low free formaldehyde content, low cost, favorable precompression performance, good gluing performance and the like.
Owner:BEIHUA UNIV
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