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公开(公告)号：US20190092949A1
公开(公告)日：2019-03-28
申请号：US15965410
申请日：2018-04-27
Applicant: Koppers Performance Chemicals Inc.
IPC: C09D5/18 , C09D175/12 , C09D175/02 , B05B7/04
Abstract: Methods for spraying a coating composition, with or without a fire retardant, onto a wood product, and wood products produced by the methods are disclosed. The method comprises a two-component system comprising (i) one or more aliphatic isocyanate compounds; and (ii) one or more aliphatic amine compounds, and, optionally, one or more fire retardants which are stored separately and combined in a spray gun to form a mixture which is then sprayed onto the wood product to form an external coating on one or more surfaces of the wood product. Wood coated with the compositions disclosed herein have increased dimensional stability and are resistant to checking and/or splitting compared to untreated wood.
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公开(公告)号：US20240342946A1
公开(公告)日：2024-10-17
申请号：US18294852
申请日：2022-08-05
Applicant: KOPPERS PERFORMANCE CHEMICALS, INC.
IPC: B27K3/34 , C09D5/14 , C09D125/14 , C09D167/08 , C09D191/08
CPC classification number: B27K3/343 , C09D5/14 , C09D125/14 , C09D167/08 , C09D191/08 , B27K2240/20
Abstract: A wood preservative composition comprising 4,5-dichloro-2-octylisothiazol-3(2H)-one, a method of treating a wood substrate therewith, and a wood product produced therefrom are provided. The wood preservative composition comprises at least 0.5% by weight of DCOI based on the total weight of the composition and a retaining additive comprising a solvent-borne polymeric resin, a wax, or a combination thereof. A weight ratio of the DCOI to the retaining additive in the composition is in a range of 1:5 to 5:1.
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公开(公告)号：US20240342947A1
公开(公告)日：2024-10-17
申请号：US18294874
申请日：2022-08-05
Applicant: KOPPERS PERFORMANCE CHEMICALS, INC.
CPC classification number: B27K3/40 , A01N43/80 , B27K2200/10 , B27K2200/30 , B27K2240/50
Abstract: A wood preservative composition comprising 4.5-dichloro-2-octylisothiazol-3 (2H)-one, a method of treating a wood substrate therewith, and a wood product produced therefrom are provided. The wood preservative composition comprises at least 10% by weight of 4.5-dichloro-2-octylisothiazol-3-one (DCOI) based on the total weight of the composition, at least 10% by weight of a non-polar organic solvent based on the total weight of the composition, and at least 1% by weight of a polar organic solvent based on the total weight of the composition. A weight ratio of the non-polar organic solvent to the polar organic solvent is in a range of 80:1 to 1:8.
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公开(公告)号：US11091654B2
公开(公告)日：2021-08-17
申请号：US15965410
申请日：2018-04-27
Applicant: Koppers Performance Chemicals Inc.
IPC: C09D5/18 , C09D175/02 , C08K5/00 , C08L75/02 , B05B7/04 , C09D175/12
Abstract: Methods for spraying a coating composition, with or without a fire retardant, onto a wood product, and wood products produced by the methods are disclosed. The method comprises a two-component system comprising (i) one or more aliphatic isocyanate compounds; and (ii) one or more aliphatic amine compounds, and, optionally, one or more fire retardants which are stored separately and combined in a spray gun to form a mixture which is then sprayed onto the wood product to form an external coating on one or more surfaces of the wood product. Wood coated with the compositions disclosed herein have increased dimensional stability and are resistant to checking and/or splitting compared to untreated wood.
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