公开(公告)号：US20240309248A1

公开(公告)日：2024-09-19

申请号：US18658494

申请日：2024-05-08

申请人： KURARAY CO., LTD.

发明人： Tadahito Fukuhara ,  Tatsuya Tanida

IPC分类号： C09J129/04 ,  C08F8/12 ,  C08F210/02 ,  C08F216/06 ,  C08F218/08 ,  C08K3/34 ,  C08K5/098 ,  C08L29/04

CPC分类号： C09J129/04 ,  C08F210/02 ,  C08F216/06 ,  C08F218/08 ,  C08K5/098 ,  C08L29/04 ,  C08F8/12 ,  C08K3/346

摘要： The present invention provides a resin material that comprises an ethylene-modified vinyl alcohol polymer as a main component, and that excels in hue, water solubility, and aqueous-solution viscosity stability. The present invention also provides an aqueous solution and an adhesive comprising such a resin material. The present invention relates to a resin material comprising an ethylene-modified vinyl alcohol polymer and sodium acetate, wherein:



the ethylene-modified vinyl alcohol polymer has an ethylene unit content of 1 10 mol % or more and less than 15 mol %, a viscosity-average degree of polymerization of 200 or more and less than 3,000, and a degree of saponification of 80 mol % or more and less than 99.9 mol %, and comprises 0.0005 mol % or more and 0.10 mol % or less of a propyl group at one end of the polymer, and
the sodium acetate content is 0.05 mass % or more and less than 2 mass %.

公开(公告)号：US20240309141A1

公开(公告)日：2024-09-19

申请号：US18268573

申请日：2021-12-22

申请人： Kuraray Co., Ltd.

发明人： Shinsuke Nii

IPC分类号： C08F261/04 ,  C08F2/20 ,  C08F8/42 ,  C08J3/24 ,  C09D129/04 ,  C09J7/40

CPC分类号： C08F261/04 ,  C08F8/42 ,  C08J3/242 ,  C08J3/247 ,  C08F2/20 ,  C08J2329/04 ,  C09D129/04 ,  C09J7/401 ,  C09J2429/005

摘要： A modified vinyl alcohol polymer having a structural unit represented by the following formula (1), and having a water-insoluble content of 1,000 ppm or less. In the formula (1), X, Y, and Z each independently represent an alkyl group having 1 to 20 carbon atoms, an alkenyl group having 2 to 20 carbon atoms, a phenyl group, a benzyl group, a vinylphenyl group, a halogenated alkyl group having 1 to 20 carbon atoms, a halogenated phenyl group, an aminoalkyl group having 1 to 20 carbon atoms, a mercaptoalkyl group having 1 to 20 carbon atoms, an ureidoalkyl group having 2 to 20 carbon atoms, an isocyanate alkyl group having 2 to 8 carbon atoms, a group having 3 to 20 carbon atoms and containing an epoxy group, a group having 3 to 20 carbon atoms and containing an acrylamide group, a group having 4 to 20 carbon atoms and containing a methacrylamide group, an acetoxy group, or a group represented by —(CH2)n—O—R1 (wherein R1 represents, e.g., an alkyl group having 1 to 20 carbon atoms; and n represents an integer of 0 to 6).

公开(公告)号：US20240309135A1

公开(公告)日：2024-09-19

申请号：US18576120

申请日：2021-09-30

申请人： Dow Global Technologies LLC ,  Rohm and Haas Company

发明人： Xiaohong Yang ,  Jinfei Wang ,  Li Zhou ,  Juan Zhao

IPC分类号： C08F220/14 ,  C08F2/00 ,  C08F2/16 ,  C09D133/12

CPC分类号： C08F220/14 ,  C08F2/001 ,  C08F2/16 ,  C09D133/12

摘要： An aqueous dispersion contains multistage polymeric particles and optionally a polyfunctional carboxylic hydrazide containing at least two hydrazide groups per molecule, where the multistage polymeric particles are prepared by a multistage free-radical polymerization process comprising: (i) preparing a first polymer by a free-radical polymerization, followed by neutralizing the first polymer to a pH value of greater than 7.1; and (ii) preparing a second polymer in the presence of the neutralized first polymer obtained from step (i), to obtain the multistage polymeric particles comprising the first polymer and the second polymer at a weight ratio of the first polymer to the second polymer of from 27:73 to 60:40; where the first polymer comprises from 6% to 18% of structural units of an acid monomer, a salt thereof, or mixtures thereof; from 1.1% to 5% of structural units of a monoethylenically unsaturated silane functional monomer; from zero to 10% of structural units of diacetone (meth) acrylamide; greater than 0.5% of structural units of a multifunctional monomer containing two or more different ethylenically unsaturated polymerizable groups, and 60% or more of structural units of an additional monoethylenically unsaturated nonionic monomer selected from a C1 to C2 alkyl ester of (meth) acrylic acid, a hydroxyalkyl (meth) acrylate, or mixtures thereof; all weight percentage relative to the weight of the first polymer; where the second polymer comprises from zero to less than 0.5% of structural units of an acid monomer, a salt thereof, or mixtures thereof; from zero to 10% of structural units of diacetone (meth) acrylamide; and structural units of a monoethylenically unsaturated nonionic monomer; all weight percentage relative to the weight of the second polymer; and where the second polymer has a glass transition temperature of from −25 to 10° C., and the first polymer has a glass transition temperature of at least 50° C. higher than that of the second polymer; provided that at least one of the first polymer and the second polymer comprises structural units of the diacetone (meth) acrylamide and the total concentration of structural units of the diacetone (meth) acrylamide is 1.1% or more, by weight based on the weight of the multistage polymeric particles.

公开(公告)号：US20240309134A1

公开(公告)日：2024-09-19

申请号：US18577637

申请日：2022-06-24

申请人： Basell Poliolefine Italia S.r.l.

发明人： Marco Bocchino ,  Davide Tartari ,  Alberto Nardin ,  Benedetta Gaddi ,  Gianni Colina ,  Nicola Pazi

IPC分类号： C08F210/06 ,  C08J5/18

CPC分类号： C08F210/06 ,  C08J5/18 ,  C08J2323/16

摘要： A biaxially oriented polypropylene (BOPP) film made from or containing a copolymer of propylene and ethylene having:



i) the content of ethylene derived units ranging from 0.5 wt % to 2.2 wt %;
ii) a xylene soluble fraction at 25°° C. ranging from 4.3 wt % to 6.5 wt %; and
iii) a melt flow rate, MFR, measured according to ISO 1133-1:2012 at 230° C. with a load of 2.16 kg, ranging from 0.5 g/10 min to 7.0 g/10 min.

公开(公告)号：US20240309129A1

公开(公告)日：2024-09-19

申请号：US18576182

申请日：2022-07-11

申请人： Bostik SA ,  Universite De Haute-Alsace ,  Centre National De La Recherche Scientifique

发明人： Jérôme MAZAJCZYK ,  Stéphane FOUQUAY ,  Frédéric SIMON ,  Guillaume MICHAUD ,  Alexis BARRAT ,  Jacques LALEVEE

IPC分类号： C08F120/28 ,  C08F4/10 ,  C08K5/03 ,  C08K5/3432 ,  C09D7/63 ,  C09D133/14 ,  C09J11/06 ,  C09J133/14

CPC分类号： C08F120/28 ,  C08F4/10 ,  C08K5/03 ,  C08K5/3432 ,  C09D7/63 ,  C09D133/14 ,  C09J11/06 ,  C09J133/14 ,  C08K2201/019 ,  C09J2433/00

摘要： The present invention relates to a crosslinkable two-component composition comprising:



a component A comprising:

an iodonium salt having one of the formulae (I-A), (I-B) or (I-C);
at least one (meth)acrylate monomer M1 having one of the formulae (II), (III) or (IV);
an organic or mineral acid having a pKa or pKa1 ranging from 0.3 to 5 measured in water at 25° C.;
a copper salt or a copper complex;
a component B comprising at least one dihydropyridine compound having one of the formulae (VI) to (X);

said composition not comprising any peroxide.

公开(公告)号：US20240309127A1

公开(公告)日：2024-09-19

申请号：US18567858

申请日：2022-06-14

申请人： MITSUBISHI GAS CHEMICAL COMPANY, INC.

发明人： Shunsuke KATAGIRI ,  Yune KUMAZAWA ,  Takuya SUZUKI

IPC分类号： C08F22/40 ,  G03F7/031 ,  H05K1/03

CPC分类号： C08F22/40 ,  G03F7/031 ,  H05K1/0346

摘要： An object of the present invention is to provide a resin composition and a resin sheet which have excellent photocurability for an active energy ray including an i-line with a wavelength of 365 nm in an exposure step, and can confer excellent alkaline developability in a development step, in the fabrication of a multilayer printed wiring board; and a high density printed wiring board and semiconductor device having a highly detailed resist pattern using the same. The resin composition of the present invention contains: a maleimide compound (A) containing a constituent unit represented by the following formula (1), and maleimide groups at both ends of the molecular chain; and a photo initiator (B) having an absorbance of 2.0 or more at a wavelength of 365 nm (i-line):

公开(公告)号：US20240309125A1

公开(公告)日：2024-09-19

申请号：US18575941

申请日：2022-07-07

申请人： BOREALIS AG

发明人： Sara Cascone ,  Elena Pomakhina

IPC分类号： C08F10/02 ,  C08F4/24 ,  C08J3/24 ,  C08J7/02

CPC分类号： C08F10/02 ,  C08F4/24 ,  C08J3/247 ,  C08J7/02 ,  C08J2323/04

摘要： A polyethylene (PE) for the production of crosslinked polyethylene (PEX), having a beneficial balance of unsaturation properties and processability properties, processes for producing crosslinked polyethylene (PEX) from said polyethylene (PE), and the crosslinked polyethylene (PEX) thus produced.

公开(公告)号：US20240309123A1

公开(公告)日：2024-09-19

申请号：US18575935

申请日：2022-03-18

申请人： Allnex Netherlands B.V.

发明人： Nicole VERHAGEN ,  A.P.M. VAN GORKUM ,  Dirk Emiel Paula MESTACH

IPC分类号： C08F2/26 ,  C08F8/30 ,  C08F220/14 ,  C08J7/04 ,  C08K5/25 ,  C09D133/12

CPC分类号： C08F2/26 ,  C08F8/30 ,  C08F220/14 ,  C08J7/0427 ,  C08K5/25 ,  C09D133/12 ,  C08J2333/12

摘要： The present invention relates to an aqueous vinyl polymer dispersion comprising: —the reaction product of free radical emulsion polymerized alpha, beta-ethylenically unsaturated monomers (A) of a monomer mixture (A1) and a monomer mixture (A2), and—one or more crosslinker(s) (B), said alpha, beta-ethylenically unsaturated monomers (A) comprising: —one or more alpha, beta-ethylenically unsaturated monomer(s) (i) having a crosslinkable group; —one or more alpha, beta-ethylenically unsaturated monomer(s) (ii) having a silane group; —one or more polyfunctional ethylenically unsaturated monomer(s) (iii); —one or more copolymerizable surfactant(s) (iv); and—further non-ionic alpha, beta-ethylenically unsaturated monomers being different from monomers (i) to (iv). The present invention further relates to a coating composition comprising said aqueous dispersion and to a method for producing a coated substrate comprising said coating composition.

公开(公告)号：US20240308260A1

公开(公告)日：2024-09-19

申请号：US18282704

申请日：2022-03-10

申请人： Nippon Paper Industries Co., Ltd.

发明人： Kenji HIRAI ,  Masaya TOSAKA ,  Yuuki INAMURA ,  Yoshimi MIDORIKAWA

IPC分类号： B41M5/52 ,  C08F220/18

CPC分类号： B41M5/52 ,  C08F220/1804 ,  C08F220/1808 ,  B41M2205/40

摘要： A thermosensitive recording medium having a thermosensitive recording layer comprising a colorless or pale colored electron donating leuco dye and an electron accepting color developing agent on a substrate, and a protective layer on the thermosensitive recording layer, wherein the thermosensitive recording layer contains at least one kind of urea compound represented by the following general formula (Formula 1) as the electron accepting color developing agent, and wherein the protective layer contains an acrylic resin




(wherein X represents —O— or —NH—, R1 represents a hydrogen atom or —SO2—R3, R3 represents a substituted or unsubstituted alkyl group, an aralkyl group or an aryl group, R2 represents a hydrogen atom or an alkyl group, m represents an integer of 0 to 2, and n represents 0 or 1).

公开(公告)号：US20240308195A1

公开(公告)日：2024-09-19

申请号：US18281806

申请日：2022-02-18

申请人： TOSOH CORPORATION

发明人： Shingo KOUDA ,  Shoji NISHIO ,  Kenichi SUZUKI

IPC分类号： B32B27/32 ,  B32B7/02 ,  B32B27/08 ,  C08F10/02 ,  C08J5/18 ,  C08L23/06 ,  C08L23/08

CPC分类号： B32B27/32 ,  B32B7/02 ,  B32B27/08 ,  C08F10/02 ,  C08J5/18 ,  C08L23/06 ,  C08L23/0815 ,  B32B2250/02 ,  B32B2250/242 ,  B32B2272/00 ,  B32B2307/518 ,  B32B2307/72 ,  C08J2323/06 ,  C08J2423/08

摘要： A stretched polyethylene film for lamination, which comprises a polyethylene (A) having a weight average molecular weight (Mw) as measured by gel permeation chromatography of from 70,000 to 250,000, a proportion of fractions with a molecular weight of 10,000 or less of 8 wt % or less, and a density as measured in accordance with JIS K6922-1 (1997) of from 945 to 980 kg/m3, and has at least one peak in a range of 135° C. or higher in an endothermic curve as measured by differential scanning calorimetry, the film having high recyclability and excellent in heat resistance.