Patent classifications
C09J175/14
ADHESIVE MEMBER AND DISPLAY DEVICE INCLUDING THE SAME
A display device and an adhesive member are provided. A display device according to an embodiment of the present disclosure includes: a display panel; a cover window disposed on the display panel; and a first adhesive member disposed between the display panel and the cover window, in which the first adhesive member includes a urethane monomer, and the urethane monomer includes 2,6-diisopropylphenyl isocyanate (2,6-DIPPI) of about 5 wt % or more and about 10 wt % or less with respect to a total weight of the first adhesive member.
BONDED BODY OF METAL AND RESIN, AND METHOD FOR BONDING METAL AND RESIN
To provide a bonding technique that is capable of bonding a metal and a resin with a sufficient bonding strength. A bonded article including a functional group-carrying metal surface and a functional group-carrying resin surface, which are bonded directly to each other, the functional group-carrying metal surface having one or more kind of a functional group selected from the group consisting of an amino group, an epoxy group, a mercapto group, a styryl group, a (meth)acryloyl group, an isocyanato group, and an alkenyl group, on a surface of a metal, the functional group-carrying resin surface having one or more kind of a functional group selected from the group consisting of an amino group, an epoxy group, a mercapto group, a styryl group, a (meth)acryloyl group, an isocyanato group, and an alkenyl group, on a surface of a resin.
Curable polyfarnesene-based compositions
A polymer having a hydrophobic polymer chain derived from monomers of farnesene and other optional monomers, such as dienes and vinyl aromatics. The polymer also includes one or more terminal functional groups, such as an amino group, a glycidyl group, a carboxylic acid group, a (meth)acrylate group, a silane group, an isocyanate group, an acetoacetate group, a phenolic group, and a hydroxyl group. Functional groups, such as carboxylic acids, may also be grafted along the hydrophobic polymer chain. The polymer may be incorporated in curable compositions that optionally include one or more polymer resins having similar functional groups. Methods for preparing the curable polymer compositions are also provided. The curable or cured form of the polymer composition may be used in various products, such as a sealant, a coating, a caulk, an electric potting compound, a membrane, a sponge, a foam, an adhesive, or a propellant binder.
Curable polyfarnesene-based compositions
A polymer having a hydrophobic polymer chain derived from monomers of farnesene and other optional monomers, such as dienes and vinyl aromatics. The polymer also includes one or more terminal functional groups, such as an amino group, a glycidyl group, a carboxylic acid group, a (meth)acrylate group, a silane group, an isocyanate group, an acetoacetate group, a phenolic group, and a hydroxyl group. Functional groups, such as carboxylic acids, may also be grafted along the hydrophobic polymer chain. The polymer may be incorporated in curable compositions that optionally include one or more polymer resins having similar functional groups. Methods for preparing the curable polymer compositions are also provided. The curable or cured form of the polymer composition may be used in various products, such as a sealant, a coating, a caulk, an electric potting compound, a membrane, a sponge, a foam, an adhesive, or a propellant binder.
Apparatus and method for applying adhesive
An apparatus for applying a liquid adhesive according to an embodiment of the present invention includes: a side part including a support surface configured to support one surface of an upright secondary battery; and a lower part including an adhesion space configured to accommodate the liquid adhesive therein and configured to accommodate insertion of a sealing part disposed at the one surface of the upright secondary battery, the lower part having a passage extending from an outer periphery of the lower part to the adhesion space, the passage configured to permit the liquid adhesive to flow from the outer periphery to the adhesion space, wherein the lower part is disposed below the side part.
Apparatus and method for applying adhesive
An apparatus for applying a liquid adhesive according to an embodiment of the present invention includes: a side part including a support surface configured to support one surface of an upright secondary battery; and a lower part including an adhesion space configured to accommodate the liquid adhesive therein and configured to accommodate insertion of a sealing part disposed at the one surface of the upright secondary battery, the lower part having a passage extending from an outer periphery of the lower part to the adhesion space, the passage configured to permit the liquid adhesive to flow from the outer periphery to the adhesion space, wherein the lower part is disposed below the side part.
Polyurethane adhesive with chemical resistant
There is provided a pressure sensitive adhesive composition comprising a polyurethane polymer that comprises the reaction product of a polyisocyanate component and a polyol component. The polyol component has a hydrophilic-lipophilic balance (HLB) less than 10. The polyurethane further comprises 0.5 to 10 wt.-% of hydrophilic polymerized units having an HLB greater than 12, such as a reaction product of a polyethylene glycol polymer. In another embodiment, the polyurethane further comprises pendent ethylenically unsaturated groups. Also described are articles such as laminating tapes and protective films as well as methods of bonding substrates with the pressure sensitive adhesive and laminating tape.
Polyurethane adhesive with chemical resistant
There is provided a pressure sensitive adhesive composition comprising a polyurethane polymer that comprises the reaction product of a polyisocyanate component and a polyol component. The polyol component has a hydrophilic-lipophilic balance (HLB) less than 10. The polyurethane further comprises 0.5 to 10 wt.-% of hydrophilic polymerized units having an HLB greater than 12, such as a reaction product of a polyethylene glycol polymer. In another embodiment, the polyurethane further comprises pendent ethylenically unsaturated groups. Also described are articles such as laminating tapes and protective films as well as methods of bonding substrates with the pressure sensitive adhesive and laminating tape.
Post-Polymerization Functionalization of Pendant Functional Groups
Modification of functional groups along a polymer backbone to render the groups activatable upon exposure to actinic radiation is described. The polymers are typically controlled architecture polymers. Also described are adhesives containing the modified architectured polymers and related methods of use.
SWITCHABLE ADHESIVE COMPOSITIONS
This invention relates to polyurethane-based pressure sensitive adhesive compositions that comprise curable moieties. The adhesive compositions are “switchable” from a tacky state to a non-tacky state by initiating curing of the curable moieties. The adhesive compositions comprise the reaction product of: (A) a polymer component containing at least 2 nucleophilic functional groups containing an active hydrogen atom; and (B) a crosslinking component that is obtainable by reacting a polyisocyanate component and a ompound comprising a functional group that is curable by free-radical polymerisation and further comprising a nucleophilic functional group containing an active hydrogen atom.