Vinyl ester copolymer, a vinyl-acrylic copolymer, a vinyl-acrylic copolymer, an atactic polypropylene, or a polyethylene terephthalate linear polymer. The viscosifier is a hydrogenated rosin-type rosin or ester, whose double bonds are completely or partially removed by hydrogenation, or a single – or double-mushroom – phenol copolymer. Us Patent No.4,585,819(Reischle et al.) discloses a molten adhesive […]
Acrylic monomers have excellent cohesiveness and can be polymerized by a variety of reaction systems, including solution polymerization, suspension polymerization, emulsion polymerization, and bulk polymerization technology. For example, the following method has been proposed for the preparation of acrylic polymers. One method involves bulk polymerization by heating a mixture of acrylic monomers and mercaptans in […]
Polyfunctional acrylates, methacrylate, and other unsaturated monomers are widely used in coatings, adhesives, sealants, elastomers, crosslinked films, cast sand binders, and composite structures. These monomers can be cross-linked by a free radical chain reaction, which requires a substance (e.g., peroxide, peroxide, or nitrogen compounds) capable of producing free radicals that break down to form free […]
The emulsion pressure sensitive adhesive in this paper, when this adhesive is combined with the applicable viscosifier, it has good convertibility and good low temperature performance when the amount of glue is lower than that of the conventional system used for general labels. Usually, pressure sensitive adhesives are prepared by solvent polymer, bulk polymer and […]
This paper relates to a pressure-sensitive adhesive tape structure that can be used to mask printed circuit boards (PCBs) at high temperatures associated with wave welding operations. This type of adhesive tape consisting of ionic conductive polymeric particulate adhesive has high friction electrostatic resistance and thus can protect electronic components from static electricity formation. In […]
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