Abstract:
A process for preparing a pressure-sensitive polyacrylate adhesive, characterized in that a polyacrylate composition including the atomic sequence C-S-C is admixed with at least one metal compound of type (L)yM where M=metal atom or metal ion L=counterion or ligand y=0 to 6.
Abstract:
The present invention relates to an adhesive tape and to a method for its manufacture, the tape comprising: (A) a heat-activatable adhesive resin layer, wherein the resin is a polymer of one or more monomers selected from the group consisting of olefins, and (B) a pressure-sensitive adhesive layer, comprising an acrylic-type pressure sensitive adhesive, wherein said pressure sensitive adhesive layer is permanently and directly bonded to a first major surface of said heat-activatable adhesive layer. The present invention also relates to an intermediate article comprising the heat-activatable adhesive resin layer (A) releasably bonded to a support layer, to a composite article comprising the adhesive tape and a rubber article bonded to the second major surface of the heat-activatable layer (A), and to a vehicle comprising the composite article.
Abstract:
The invention relates to a hot-melt adhesive for sealing the edge of laminated glass that has been produced according to cast-resin technology. The inventive adhesive comprises acrylate or metacrylate homopolymers or copolymers or mixtures thereof. The invention also relates to a method for the production and to the uses of said hot-melt adhesive.
Abstract:
According to some embodiments of the invention, a method for bookbinding is provided. The method comprises placing a strip of hot-melt adhesive tape between a spine of a book block and a central region of a cover. The hot-melt adhesive tape comprises a first layer having a first hot-melt adhesive substance having a first viscosity and a second layer having a second hot-melt adhesive substance having a second viscosity that is higher than the first viscosity when heated. The strip of the hot-melt adhesive is placed such that the first layer of the tape is positioned next to the spine and the second layer is positioned next to the central region of the cover.
Abstract:
A heat-sensitive adhesive sheet comprising a substrate having formed thereon an adhesive layer comprising a polymer composition (C) which comprises the following aqueous emulsion (A) and copolymer (B), wherein an adhesive force determined by the 180° peeling test method as specified in JIS Z 0237 at a temperature of 25° C. is 10 g/25 mm or less: Aqueous emulsion (A): An aqueous emulsion containing an alkyl (meth)acrylate-based polymer (a) having a glass transition temperature of −10° C. or below, which is obtained by emulsion-polymerizing radically polymerizable monomers containing as the main component an alkyl (meth)acrylate; and Copolymer (B): A water-soluble or water-dispersible copolymer (B) having a glass transition temperature of 20° C. or above, which is a copolymer obtained by copolymerizing an &agr;,&bgr;-ethylenically unsaturated carboxylic acid with other radically polymerizable monomers, wherein a part or the entire amount of carboxyl groups in the copolymer is neutralized with a base having a boiling point of 110° C. or below.
Abstract translation:一种热敏粘合片,其特征在于,具有在其上形成有包含下述水性乳液(A)和共聚物(B)的聚合物组合物(C)的粘合剂层的基材,其中,通过180°剥离试验方法测定的粘合力为 JIS Z 0237在温度25℃下规定为10g / 25mm以下:水性乳液(A):含有玻璃化转变温度为(甲基)丙烯酸酯系聚合物(a)的(甲基)丙烯酸酯系聚合物 -10℃以下,其通过乳液聚合作为主要成分的(甲基)丙烯酸烷基酯的自由基聚合性单体获得; 和共聚物(B):玻璃化转变温度为20℃以上的水溶性或水分散性共聚物(B),其是通过将α,β-烯属不饱和羧酸与其它根本上共聚而得到的共聚物 可聚合单体,其中共聚物中部分或全部羧基用沸点为110℃或更低的碱中和。
Abstract:
A polymeric adhesive tape including a first polymeric adhesive layer which is a heat activated film and a second polymeric adhesive layer which is a heat activated film is disclosed. The tape is designed for use in the fabrication of articles wherein the polymeric adhesive tape secures a first member to a support surface. A method for bonding adjacent sheets to a substrate is also disclosed. In accordance with the disclosed method, a substrate is prepared for application of a first sheet and a second sheet, a polymeric adhesive tape is positioned on the substrate at a position along which the seam between the first sheet and the second sheet will be located, the first sheet and the second sheet are laid on the substrate such that the seam between the first sheet and the second sheet lies along the polymeric adhesive tape, and the adhesive tape is heated along the seam to bond the substrate, adhesive tape, first laminate and second laminate.
Abstract:
An adhesive sheet not tacky at ordinary temperatures, exhibiting strong adhesion and high heat resistance by heating under low pressure for a short period of time, having no problem of adhesive protrusion and excellent in storage stability, which comprises a base material having provided on one side or both sides thereof at least one layer of a thermosetting adhesive comprising (1) a non-tacky polymer of a monomer mixture comprising from 70% to 99% by weight of a (meth)acrylic ester represented by formula (I), a homopolymer of which has a glass transition temperature of −30° C. or more, and from 1% to 30% by weight of a monoethylenic unsaturated monomer being copolymerizable therewith and having a functional group capable of reacting with an epoxy resin each based on the monomer mixture and (2) from 5 parts to 30 parts by weight of the epoxy resin per 100 parts by weight of the monomer mixture, and not substantially comprising a curing agent for the epoxy resin:
Abstract:
A polymeric adhesive tape including a first polymeric adhesive layer which is a heat activated film and a second polymeric adhesive layer which is a heat activated film is disclosed. The tape is designed for use in the fabrication of articles wherein the polymeric adhesive tape secures a first member to a support surface. A method for bonding adjacent sheets to a substrate is also disclosed. In accordance with the disclosed method, a substrate is prepared for application of a first sheet and a second sheet, a polymeric adhesive tape is positioned on the substrate at a position along which the seam between the first sheet and the second sheet will be located, the first sheet and the second sheet are laid on the substrate such that the seam between the first sheet and the second sheet lies along the polymeric adhesive tape, and the adhesive tape is heated along the seam to bond the substrate, adhesive tape, first laminate and second laminate.