C09J2203/354

ADHESIVE COMPOSITIONS INCLUDING 1,4-CYCLOHEXANEDIMETHANOL AND METHODS OF MAKING THE SAME

Disclosed are adhesive compositions comprising a polyester polyol that includes residues of 1,4-cyclohexanedimethanol. Adhesive compositions as described herein exhibit enhanced properties over conventional adhesive compositions, and may be suitable for a wide variety of applications, including, flexible packaging, woodworking, automotive, and electronics.

POLYESTERS COMPRISING 2,2,4,4-TETRAALKYL-1,3-CYCLOBUTANEDIOL

Adhesive compositions comprise a polyester polyol that includes residues of at least one 2,2,4,4-tetraalkylcyclobutan e-1,3-diol, including, for example, 2,2,4,4-tetramethylcyclobutane-1,3-diol (TMCD). Adhesive compositions as described herein exhibit enhanced properties as compared to conventional adhesive compositions, and may be suitable for a wide variety of end use applications, including, flexible packaging, woodworking, automotive uses, and electronics.

MULTILAYER FILM FOR USE IN AIR BAG AND AIR BAG

The present disclosure is directed to provide a multilayer film for use in an air bag, which provides sufficient adhesiveness and blocking tendency in a well-balanced manner. The multilayer film for use in an air bag according to the present disclosure includes an adhesive layer and an outer layer. The adhesive layer includes a resin having a glass transition temperature from 0° C. to 80° C. and a melting point from 100° C. to 160° C. The outer layer includes a resin having a melting point higher than the melting point of the resin included in the adhesive layer by 20° C. or higher. Further, an air bag according to the present disclosure includes a synthetic fiber fabric and the aforementioned multilayer film for use in an air bag, in which the adhesive layer in multilayer film is laminated with the synthetic fiber fabric.

Method and system to provide a repositionable translucent cast vinyl film with an air-egress adhesive layer
11180682 · 2021-11-23 · ·

Disclosed are a method, a device and/or a system of cast vinyl film and, more particularly, to a method and system to provide a repositionable translucent cast vinyl film with an air-egress adhesive layer. In one aspect, a method includes mixing a solvent based polyvinyl chloride (PVC) organosol with a stabilizer and an additive to get a desired shade of pellucid tint of a translucent thermoplastic stretch wrap film. Further, the method includes casting the polyvinyl chloride (PVC) organosol onto a film carrier and moving the film carrier through a plurality of ovens at varying temperatures to cure into a solid film. The cured solid film is laminated to an air-egress liner casted with a solvent-borne acrylic pressure-sensitive adhesive to provide ease of installation. The adhesive includes an air release patterning to allow escape of air from back of the film while repositioning the film around a complex shaped surface.

PROCESS OF MANUFACTURING A PRESSURE SENSITIVE ADHESIVE HAVING A LOW VOC CHARACTERISTICS

The present disclosure relates to a process of manufacturing a pressure sensitive adhesive, comprising the steps of: a) providing a hot melt mixing apparatus comprising a reaction chamber; b) providing a hot melt processable pressure sensitive adhesive composition comprising: (1) a (meth)acrylate copolymer component comprising: i. C1-C32 (meth)acrylic acid ester monomer units; ii. optionally, ethylenically unsaturated monomer units having functional groups selected from the group consisting of acid, hydroxyl, acid anhydride, epoxide, amine, amide groups, and any combinations thereof; and iii. optionally, further ethylenically unsaturated monomer units which are copolymerizable with monomer units (i) and/or (ii); and (2) a crosslinking system selected from the group consisting of thermal crosslinking systems, actinic radiation crosslinking systems, and any combinations thereof; (3) optionally, at least one expandable microsphere; and (4) optionally, at least one pigment; c) providing a polymeric resin; d) subjecting the polymeric resin to a heating step (thereby at least partly remove low Volatile Organic Compounds (VOC) from the polymeric resin) thereby forming a cleaned polymeric resin; e) incorporating the cleaned polymeric resin and the hot melt processable pressure sensitive adhesive composition in the reaction chamber of the hot melt mixing apparatus; -57-f) mixing the hot melt processable pressure sensitive adhesive composition and the cleaned polymeric resin in the hot melt mixing apparatus thereby forming a hot melt blend; g) removing the hot melt blend from the hot melt mixing apparatus; and h) optionally, crosslinking the hot melt blend.

STRUCTURE ADHESIVE COMPOSITION EXHIBITING FAVORABLE THREAD BREAKAGE AND CAPABLE OF STITCH COATING

Provided are: a structure adhesive composition which exhibits favorable thread breakage and improves shower resistance, and prevents stringiness when stitch-coating is performed; a method for producing a vehicle structure using the same; and a vehicle structure. A structure adhesive composition exhibiting favorable thread breakage, the structure adhesive composition being a structure adhesive composition containing no liquid rubber component, the structure adhesive composition contains: (A) an epoxy resin in which rubber particles are dispersed as primary particles; and (B) an epoxy resin latent curing agent; a compounded proportion of the rubber particles in the structure adhesive composition is from 10 to 45 mass %; and a viscosity at 50° C. of the structure adhesive composition is from 190 to 380 (Pa.Math.s) when a shearing speed is 5 (sec.sup.−1) and is from 1 to 30 (Pa.Math.s) when the shearing speed is 200 (sec.sup.−1).

LOW SURFACE ENERGY ACCELERATED BONDING ADHESIVE FORMULATION AND PROCESS FOR THE USE THEREOF

An adhesive two-part formulation is provided that includes an amount of free-radical curable monomers, each of said free-radical curable monomers containing at least one acrylate moiety or at least one methacrylate moiety, a Lewis acid, a thermoplastic resin; and a polymeric impact modifier. Also present in the formulation is an amount of an activator of borane-amine complex, a metal accelerator; and a grafted elastomer with a thermoplastic additive. A process of applying the formulation to a substrate includes mixing together the formulation components such that each part has a storage stability at 50° C. for 30 days where the viscosity at 30 days is within 40% of an initial viscosity. The mixture is applied to the substrate and then allowed to cure to achieve an initial strength of at least 1 MPa lap shear strength within 45 minutes.

Pressure Sensitive Adhesive with Broad Damping Temperature Range
20210179895 · 2021-06-17 ·

A damping-enhanced pressure-sensitive adhesive comprising a pressure-sensitive adhesive and a at least one damping additive. The pressure-sensitive adhesive comprises a silicone-based polymer and optionally, at least one catalyst and/or at least one initiator.

COMPOSITE LAMINATE AND METHOD FOR PRODUCING SAME, AND METAL RESIN BONDED PRODUCT AND METHOD FOR PRODUCING SAME
20210179885 · 2021-06-17 · ·

To provide a composite laminate having excellent adhesiveness to a resin material imparted to a metal base material, such as an aluminum, and a method for producing the same, and a metal-resin bonded article using the composite laminate and a method for producing the same. A composite laminate 1 includes a metal base material 2 and one layer or plural layers of a resin coating layer 4 laminated on the metal base material 2, the resin coating layer 4 is laminated on a surface-treated surface of the metal base material 2, and at least one layer of the resin coating layer 4 is formed of a resin composition containing an in situ polymerizable phenoxy resin.

ADHESIVE COMPOSITIONS
20210189184 · 2021-06-24 · ·

An object of the present invention is that the migration of a plasticizer is suppressed while high bond strength is ensured. An adhesive composition of the present invention includes an acrylic polymer (A), a tackifier resin (B) and a crosslinking agent (C). The acrylic polymer (A) includes units derived from a (meth)acrylic acid alkyl ester (a1), a nitrogen-containing (meth)acrylic monomer (a2) and a carboxyl-containing (meth)acrylic monomer (a3). The content of the tackifier resin (B) is not less than 20 mass % of the content of nonvolatile components. Not less than 40 mass % of the tackifier resin (B) is represented by a rosin tackifier resin (b1).