09-07-2020 дата публикации
Номер: US20200217010A1
Принадлежит:
A natural strip or strip-based weaving or weave fabric product or a natural strip or strip-based woven product is coated and protected with a crosslinking polyvinyl acetate (XPVAc or x-PVAc) adhesive. Said adhesive is applied and cured on the exterior surfaces of said product as a first coating layer or a primer in combination with a coating layer of acrylic, alkyd, asphalt, epoxy, latex, polyurethane, silicone coatings, urethane, vinyl ester, etc. coated over the cured adhesive as a second coating layer or a topcoat. Said product is woven or fabricated with stalks, stakes, staves, stems, sticks, strands, shoots, splints, straws, strings, twigs, bark, branches, laths, leaves, rods, roots, whicker, etc. of a fiber plant, a tree, or a crop, or the combination thereof. 1. A waterproofing composition of a crosslinking polyvinyl acetate adhesive for application to the exterior surfaces of a natural strip or strip-based weaving or weave fabric product or a natural strip or strip-based woven product , comprising:a) a polyvinyl acetate-based adhesive resin;b) a copolymer;c) a crosslinking agent; andd) a catalyst;wherein said crosslinking polyvinyl acetate adhesive is a Type I or Type II adhesive and applied and cured on at least one portion of the exterior surfaces of said product, such that said adhesive forms into a protective coating film and is on the exterior surfaces of said product;wherein said product is woven or fabricated from strip or strip-like weave elements or units, including strands, stakes, stalks, staves, sticks, stems, straws, strings, splints, shoots, laths, leaves, bark, branches, rods, roots, twigs, or wickers of a fiber plant, a tree, a crop, or the combination thereof; andwherein said adhesive improves the water resistance, dimensional stability, and durability of said product.2. The waterproofing composition of claim 1 , wherein said strips work as warps claim 1 , wefts or both in the formed weave structure or pattern of said product.3. The ...
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