METHODS FOR MAKING AQUEOUS POLYURETHANE DISPERSIONS OF AROMATIC POLYISOCYANATE MIXTURES AND COMPOSITIONS
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United States of America Patent
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app pub date -
Oct 1, 2012
filing date -
Apr 1, 2010
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Abstract
Aqueous polyurethane dispersions made from aromatic polyisocyanates and mixtures of aromatic polyisocyanates and compositions thereof are provided. Advantageously, the methods disclosed herein provide aqueous polyurethane dispersions which are produced more economically with no added organic solvent in the aqueous polyurethane dispersions. Such polyurethane dispersions are environmentally friendly and are useful as adhesives, sealants and coatings for laminating or bonding substrates such as paper, wood, metals, plastics and other synthetic materials.
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International Classification(s)
- C09J:ADHESIVES; ADHESIVE PROCESSES IN GENERAL
- C08G:MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN B....
- B05D:PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MAT....
- C09D:COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQ....
- C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
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