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可乐丽
瓷都在线算命 瓷都在线算命 ,科技公司取名 科技公司取名
胶粘剂和乳液

The unique combination of properties in KURARAY POVAL? grades has allowed for its widespread use in industrial adhesives. With more than 50 years of experience working with polyvinyl alcohol, Kuraray understands and continues to develop specialty and unique grades for the adhesives market. From ceramic binders to adhering to substrates like paper and wood, KURARAY POVAL? improves tensile adhesive strength as a sole adhesive or as an additive.

KURARAY POVAL? is used for polyvinyl acetate emulsions, specifically in wood and paper adhesives. Kuraray’s specialty PVOH grades, like EXCEVAL?, are used for water-resistant wood adhesives. KURARAY POVAL? can also be used in general-purpose adhesives such as textile, leather, wood, and porous ceramic surfaces.

The partially hydrolyzed grades of KURARAY POVAL? are often selected for remoistening adhesives.

As an emulsifier, KURARAY POVAL? and EXCEVAL? are widely used as a protective colloid in the emulsion process. They are often used during the polymerization of vinyl acetate and vinyl acetate copolymer systems (vinyl acetate/ethylene, vinyl acetate/acrylic ester, etc.) to form high-solids emulsions with stability and adhesive properties. Kuraray PVOH products are also used in emulsions for non-vinyl acetate system (styrene/butadiene, styrene/acrylic ester, acrylic ester, etc.) lattices and bead or suspension polymerization of vinyl monomers like vinyl acetate, styrene, and vinyl chloride. KURARAY POVAL? and EXCEVAL? are also used during post-emulsification of hydrophobic substances like wax and asphalt.
 

EXCEVAL? for Adhesives and Polymerization

Due to the high water resistance of EXCEVAL?, polyvinyl acetate emulsions using EXCEVAL? can achieve D3 performance level without using crosslinking technology. If an even higher water resistance performance is needed, it can be achieved simply by using standard crosslinking technology.

  • 出众的漆膜强度
  • 结合力强
  • 耐油,油脂和蜡
  • 可与粘土和增溶剂等增量剂结合使用
  • 冷水不溶性
  • 中粘度增粘PVOH,用于纤维素基材的粘合剂
  • 粘接速度快
  • 能够在乳液中形成高固含量
  • 控制乳液中的粒径和分布
  • 在乳液中用作增粘剂

  • 实心纤维板,螺旋缠绕管,芯和鼓的制造
  • 纸层压胶
  • 耐水胶
  • 醋酸乙烯酯和醋酸乙烯酯乙烯的乳液
  • 非离子型乳化剂和保护性胶体,用于制备油水乳液和分散体(蜡等)
  • 氨基树脂(UF,MUF等)的粘合增强剂
  • EPI(乳液-聚合物-异氰酸酯)粘合剂
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发布日期:2021年06月13日

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Contact KURARAY POVAL?

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