The coating proppant and its application method of the coating containing super branched polyurethane

China Patent

APP PUB NO CN-107109205-A
SERIAL NO

201580071560

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Abstract

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The invention discloses the coating proppant and its preparation and application of the coating containing super branched polyurethane.Coating proppant can wrap up the polyurethane coating of the particle comprising particle and at least partly.The polyurethane coating can include the reaction product of hyperbranched polyol alcohol and polyisocyanates.The hyperbranched polyol alcohol can include the reaction product of chain extender and monomeric polyol.Coating proppant can have based on ISO 13,503 2:2011 proppant resistance to crushing test program, about 0.1wt% to the about 5wt% dry crushing strength under about 96.5MPa pressure.

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Patent Owner(s)

Patent OwnerAddress
GEORGIA PACIFIC CHEMICALS LLCNot Provided

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Inventor(s)

Inventor Name Address
REDIGER RICHARD A -
BOTHWELL JASON M -

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