Non-lapped water-based wood coloring agent

A stain, wood technology, applied in wood treatment, wood impregnation, wood impregnation, etc., can solve problems such as inconsistent appearance

Pending Publication Date: 2022-04-15
SWIMC LLC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

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  • Non-lapped water-based wood coloring agent
  • Non-lapped water-based wood coloring agent

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Embodiment Construction

[0015] In various embodiments, a wood stain composition comprises or consists essentially of a water-based pigment dispersion, a hydrophilic polyol, and a water-dispersible hydrophobic component. The hydrophilic polyol may comprise, consist of, or consist essentially of, for example, PEG. The molecular weight of PEG can be below 1000 Da. In some formulations, the molecular weight of PEG is 600 Da ± 10%. For example, the PEG may be CARBOWAX PEG 600, available from the Dow Chemical Company; this product has an average of 13.2 repeating oxyethylene units and an average molar mass range of 570 Da to 630 Da. In other embodiments, PEG compositions with molecular weights in the range of 200 Da to 600 Da may be used. Additionally, PEG may be present in the composition at a level of about 30% by total formula weight. The working range is 15% to 35%. Using PEG at these levels is very helpful for wipe-on stains, i.e. excess is easy to wipe off, over which a water based clearcoat can ...

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Abstract

A wood stain composition for providing improved application characteristics and complying with the regulatory VOC limits, the wood stain composition comprising or consisting essentially of a water miscible polyol having a molecular weight of less than 1000 Da, a water dispersible hydrophobic polymer, and a pigment dispersion.

Description

[0001] related application [0002] This application claims the benefit of and priority to U.S. Provisional Patent Application 62 / 912,173, filed October 8, 2019, the entire disclosure of which is hereby incorporated by reference. technical field [0003] The present subject matter relates to the staining of wood products such as hardwood floors and furniture. Background technique [0004] Wood floors are often found in quality homes and offices. Bare wood can be stained to change its color, enabling, for example, the use of durable, damage-resistant wood whose natural color would not be suitable for its surroundings. Stains can be oil-based or water-based. The latter offer many advantages such as soapy water decontamination, non-flammability, low odor and minimal environmental impact. Currently, however, water-based wood stains are mostly used for small jobs. They have not been widely adopted in the flooring and large furniture industries because they tend to exhibit va...

Claims

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Application Information

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IPC IPC(8): C09D15/00B27K5/02B27K3/00C09D5/00C09D175/04
CPCB27K5/02C09D15/00C09D175/04B27K3/15C09D5/024C08L71/02C09D7/43
Inventor 史晓东M·费拉拉T·D·乔丹J·霍尔斯特德
Owner SWIMC LLC
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