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Block Copolymer

Block Copolymer-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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High-chi block copolymers for interconnect structures by directed self-assembly
International Business Machines Corporation
October 12, 2017 - N°20170294341

High-chi diblock copolymers are disclosed whose self-assembly properties are suitable for forming hole and bar openings for conductive interconnects in a multi-layered structure. The hole and bar openings have reduced critical dimension, improved uniformity, and improved placement error compared to the industry standard poly(styrene)-b-poly(methyl methacrylate) block copolymer (ps-b-pmma). The bcps comprise a poly(styrene) block, which can ...
Articles of manufacture including macromolecular block copolymers
International Business Machines Corporation
October 12, 2017 - N°20170292637

An article of manufacture includes a macromolecular block copolymer. The macromolecular block copolymer includes a first extruded high molecular weight polymer and a second extruded high molecular weight polymer bonded to the first extruded high molecular weight polymer. The first extruded high molecular weight polymer has a first characteristic rigidity value along a first length, and the second extruded high ...
Crash durable epoxy adhesive compositions having improved low-temperature impact resistance and wash off resistance
Dow Global Technologies Llc
October 12, 2017 - N°20170292049

Aspects of the present invention provide a one component epoxy adhesive composition having improved impact resistance at low temperatures, such as −40° c. Or less. In a first aspect, the adhesive includes one or more epoxy resins; at least one polyurethane based toughener; at least one amphipathic block copolymer; and one or more epoxy curing agents. In a further, ...
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Macromolecular block copolymers
International Business Machines Corporation
October 12, 2017 - N°20170291979

A process of forming a macromolecular block copolymer includes forming a first high molecular weight polymer of a first length. The first high molecular weight polymer includes a first set of side-chain functional groups and has a first characteristic rigidity value along the first length. The process also includes forming a second high molecular weight polymer of a second length. ...
Macromolecular block copolymer formation
International Business Machines Corporation
October 12, 2017 - N°20170291978

A process of forming a macromolecular block copolymer includes forming a first high molecular weight polymer using a first extruder of an extruder system that includes multiple extruders. The first extruded high molecular weight polymer has a first length terminating at a joiner of the extruder system and has a first set of material properties along the first length. The ...
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Flexible film for film strips
Mondi Gronau Gmbh
October 12, 2017 - N°20170290717

An elastic film having an elastic film layer based on styrene block copolymer, such that the elastic film layer is formed from a first styrene block copolymer and a second styrene block copolymer without the addition of polystyrene. The first styrene block copolymer has a styrene portion of less than 25% by weight and the second styrene block copolymer has a ...
Defectivity metrology during dsa patterning
Tokyo Electron Limited
October 05, 2017 - N°20170287790

The described embodiments include performing a curing process for selective treatment, or hardening, of ps regions in ps-b-pmma block copolymer dsa films prior to dry etch development of pmma regions. In various embodiments, the curing chemistry can be ar/h2, hbr, n2/h2, etc., which has the capability of generating vacuum ultraviolet (vuv) photon flux for polymer curing. The curing ...
Substrate treatment method, computer storage medium and substrate treatment system
Tokyo Electron Limited
October 05, 2017 - N°20170287749

A substrate treatment method of treating a substrate using a block copolymer containing a hydrophilic polymer and a hydrophobic polymer, includes: a resist pattern formation step of forming a predetermined resist pattern by a resist film on the substrate; a thin film formation step of forming a thin film for suppressing deformation of the resist pattern on a surface of ...
Poly (e-caprolactone)-ethoxylated fatty alcohol copolymers
Tokyo Electron Limited
October 05, 2017 - N°20170283548

Where n and m are integers greater than 0 and r is an alkyl group. The block copolymer is prepared by polymerizing ε-caprolactone and an ethoxylated fatty alcohol in the presence of a catalyst, such as stannous octoate. The block copolymers have potential as delivery systems for various payloads, such as, but not limited to, lipid soluble drugs and ...
A method for improving fracture toughness of polyisocyanurate comprising reaction products
Huntsman International Llc
October 05, 2017 - N°20170283545

A curable composition for making polyisocyanurate comprising products obtained by combining and mixing at an isocyanate index of at least 100 at least a polyisocyanate composition, an isocyanate reactive composition comprising at least 50 mol % diols and a toughening agent comprising acrylic block copolymers.
Conditioning agent for a particulate fertilizer for reducing hygroscopicity and dust formation
Yara International Asa
October 05, 2017 - N°20170283339

The invention relates to a conditioning agent for reducing water absorption and dust formation of a particulate fertilizer, comprising 10 to 50 weight % of wax, 40 to 90 weight % of mineral oil and 1 to 15 weight % of a resin being mineral oil-soluble and miscible with wax and mineral oil, wherein the agent further comprises 0. 1 to 1 weight % of a viscoelastic elastomer selected from the group of ...
Foamable hot melt gasket sealants and use thereof
Henkel Ag & Co. Kgaa
October 05, 2017 - N°20170282494

The invention relates to a one-part, foamable hot melt gasket sealant. The foamable hot melt adhesive comprises greater than about 35 wt % of a rubber block copolymer, a tackifier and less than about 5 wt % of a wax. The foamable hot melt adhesive can be applied onto a space in between two mating surfaces without expensive foam-in-place equipment. The foamable hot melt ...
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Block Copolymer Patent Applications
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  • 454+ full patent PDF documents of Block Copolymer-related inventions.
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Porous membranes and associated separation modules and methods
Sabic Global Technologies B.v.
October 05, 2017 - N°20170282128

A porous membrane is made from a poly(phenylene ether) copolymer containing 10 to 40 mole percent repeat units derived from 2-methyl-6-phenylphenol and 60 to 90 mole percent repeat units derived from 2,6-dimethylphenol; and a block copolymer containing backbone or pendant blocks of poly(c2-4 alkylene oxide). The porous membrane is made by dissolving the poly(phenylene ether) copolymer in a water-miscible ...
Pressure sensitive adhesives comprising a polymodal asymmetric multiarm elastomeric block copolymer
3m Innovative Properties Company
September 28, 2017 - N°20170275505

Pressure sensitive adhesives made from a polymodal asymmetric elastomeric block copolymer, a tackifying resin and liquid polyisoprene are provided. Articles containing these pressure sensitive adhesives including protective sheeting, labels, laminated adhesives, tapes and adhesive films are described. The pressure sensitive adhesive based on polymodal asymmetric block copolymer described herein exhibits good adhesion on various substrates such as stainless steel (ss), ...
Block copolymer and resin composition
Nippon Paper Industries Co., Ltd.
September 28, 2017 - N°20170275457

The present invention aims to provide a resin having an excellent solubility to alcohols, an excellent adherability to nonpolar base materials such as polyolefin, and not containing chlorine; and to provide a resin composition containing a urethane resin, not having the elimination problem of hydrochloric acid caused by external factors, having a good compatibility with a variety of components containing ...
Thermoplastic elastomer composition and molded article
Kuraray Co., Ltd.
September 28, 2017 - N°20170275451

Provided are: a thermoplastic elastomer composition, excellent in both abrasion resistance and mechanical characteristics, obtained by heat-treating a mixture under molten condition thereof, the mixture including: 100 parts of at least one addition-polymerized block copolymer selected from a block copolymer and a hydrogenated product thereof; the block copolymer has a polymer block mainly including a structural unit derived from an aromatic ...
Acrylic block copolymer adhesives
3m Innovative Properties Company
September 28, 2017 - N°20170275450

Adhesive compositions and articles containing the adhesive compositions are provided. In some embodiments, the adhesive compositions can be positioned adjacent to biological surfaces such as skin. For example, articles are provided that can be used in wound dressing or that can be used to stabilize and/or affix a medical device or medical instrument to a patient.
Thermoplastic elastomer composition
Kuraray Co., Ltd.
September 28, 2017 - N°20170275440

Provided is a thermoplastic elastomer composition excellent in mechanical characteristics, abrasion resistance, etc., comprising: a crosslinked composition (x) obtained by heat-treating, under molten condition, a composition containing 100 pars of a block copolymer or a hydrogenated product thereof, the block copolymer including a polymer block a mainly derived from an aromatic vinyl compound containing 1% by mass or more of an alkylstyrene ...
Resin composition containing ethylene-vinyl alcohol copolymer, molded product, and multilayer structure
Kuraray Co., Ltd.
September 28, 2017 - N°20170275403

A resin composition according to an aspect of the present invention comprises: an ethylene-vinyl alcohol copolymer (a); and a block copolymer (b) having a block (b1) that includes a vinyl aromatic monomer unit, and a block (b2) that includes an isobutylene unit, wherein the ethylene-vinyl alcohol copolymer (a) and the block copolymer (b) form a co-continuous phase structure; and a ...
Block copolymers having semi-crystalline blocks and compositions and articles made therefrom
Kraton Polymers U.s. Llc
September 28, 2017 - N°20170275392

Selectively hydrogenated block copolymers having semi-crystalline blocks hard blocks and copolymer soft blocks having a combination of excellent physical properties and solvent resistance have been discovered. The block copolymer comprises at least one a block of hydrogenated, polymerized 1,3-butadiene and at least one b block which is a random copolymer or a controlled distribution copolymer of conjugated diene and mono ...
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