摘要:
To prevent gelling even during storage for a long time period under high temperature or room temperature, and to achieve rapid curing under a room-temperature condition at the time of photoirradiation, provided are a photocationically curable composition containing a cationically polymerizable monomer and photoacid generators, and being substantially free of a hydrogen ion scavenger, wherein the photoacid generators include: at least one kind of photoacid generator selected from a photoacid generator formed of an ion pair whose anion is a noncoordinating anion, and a photoacid generator formed of a zwitterionic compound whose anionic moiety is a noncoordinating anionic moiety; and at least one kind of photoacid generator selected from a photoacid generator formed of an ion pair whose anion is not a noncoordinating anion and a photoacid generator formed of a zwitterionic compound whose anionic moiety is not a noncoordinating anionic moiety, and a dental curable composition using the same.
摘要:
An inkjet head and a production method wherein the inkjet head is produced by forming a film on a head chip having a channel member with an ink channel formed thereon and joining an end surface of the head chip coated with the film to a nozzle plate. The method includes a step of applying an adhesive containing spherical particles, whose volume average particle diameter is in the range of 0.95*Rz (MV) to 2.0*Rz (MV), in the range of 0.1 volume % to 10.0 volume % to at least one of the end surface of the head chip and a joint surface of the nozzle plate and then joining the nozzle plate.
摘要:
The invention relates to a hydrophilically modified multifunctional amine AC which has more than one primary ammo group per molecule, and at least one group per molecule derived from the reaction of an epoxide group with a reactive group selected from the group consisting of secondary amino groups >NH, hydroxyl groups —OH, mercaptan groups —SH, amide groups —CO—NHR, where R can be hydrogen or an alkyl group having from one to twelve carbon atoms, hydroxyester groups, and acid particularly carboxyl groups —COOH, sulphonic acid groups —SO3H, and phosphonic acid groups —PO3H2, and preferably, also moieties which are compatible with an epoxy resin, as well as a process for its preparation, and a method of use thereof.
摘要翻译:本发明涉及一种亲水改性的多功能胺AC,其每分子具有多于一个的初级氨基,每分子至少有一个基团来源于环氧基与选自仲氨基的反应性基团的反应> NH,羟基-OH,硫醇基-SH,酰胺基-CO-NHR,其中R可以是氢或具有1至12个碳原子的烷基,羟基酯基和酸特别是羧基-COOH,磺酸基团 -SO 3 H和膦酸基-PO 3 H 2,优选与环氧树脂相容的部分,以及其制备方法及其使用方法。
摘要:
A mixture may include at least one polymerizable species and at least one thermoresponsive supramolecular initiator complex involving a host-guest interaction. Processes for making resins may include mixing at least one polymerizable species with at least one thermoresponsive supramolecular initiator complex involving a host-guest interaction; subjecting the mixture to a temperature above about 30° C. thereby promoting the dissociation of the at least one thermoresponsive supramolecular initiator; and allowing the mixture to cure at the temperature for a period of time.
摘要:
An inkjet head and a production method wherein the inkjet head is produced by forming a film on a head chip having a channel member with an ink channel formed thereon and joining an end surface of the head chip coated with the film to a nozzle plate. The method includes a step of applying an adhesive containing spherical particles, whose volume average particle diameter is in the range of 0.95*Rz (MV) to 2.0*Rz (MV), in the range of 0.1 volume % to 10.0 volume % to at least one of the end surface of the head chip and a joint surface of the nozzle plate and then joining the nozzle plate.
摘要:
Epoxy resin compositions are disclosed which comprise (A) at least one cycloaliphatic epoxy resin, (B) a curing agent comprising hexahydro-4-methylphthalic anhydride, (C) at least one a boron containing catalyst that is essentially free of halogen, and (D) at least one cure modifier. The encapsulant (11) may also optionally comprise at least one of ancillary curing catalysts, thermal stabilizers, UV stabilizers, coupling agents, or refractive index modifiers. Also disclosed are packaged solid state devices comprising a package, a chip (4), and an encapsulant (11) comprising an epoxy resin composition of the invention. A method of encapsulating a solid state device is also provided.
摘要:
Epoxy resin compositions are disclosed which comprise (A) at least one cycloaliphatic epoxy resin, (B) a curing agent comprising hexahydro-4-methylphthalic anhydride, (C) at least one a boron containing catalyst that is essentially free of halogen, and (D) at least one cure modifier. The encapsulant (11) may also optionally comprise at least one of ancillary curing catalysts, thermal stabilizers, UV stabilizers, coupling agents, or refractive index modifiers. Also disclosed are packaged solid state devices comprising a package, a chip (4), and an encapsulant (11) comprising an epoxy resin composition of the invention. A method of encapsulating a solid state device is also provided.
摘要:
Novel onium borates of an element of Groups 15 to 17 of the Periodic Table, or borates of an organometallic complex of an element of Groups 4 to 10 of the Periodic Table, well suited for the photochemical/electron beam cationic initiation of polymerization/crosslinking, the anionic borate moiety of which having the formula:[BX.sub.a R.sub.b ].sup.-in which a and b are integers ranging from 0 to 4 and a+b=4; the symbols X are each a halogen atom when a ranges up to 3 and an OH functional group when a ranges up to 2; and the symbols R, which may be identical or different, are each a phenyl radical substituted by at least one element or electron-withdrawing substituent or by at least two halogen atoms, or an aryl radical containing at least two aromatic ring members, or such aryl radical bearing at least one electron-withdrawing substituent.
摘要:
Novel onium borates of an element of Groups 15 to 17 of the Periodic Table, or borates of an organometallic complex of an element of Groups 4 to 10 of the Periodic Table, well suited for the photochemical/electron beam cationic initiation of polymerization/crosslinking, the anionic borate moiety of which having the formula:[BX.sub.a R.sub.b ].sup.-which a and b are integers ranging from 0 to 4 and a+b=4; the symbols X are each a halogen atom when ranges up to 3 and an OH functional group when a ranges up to 2; and the symbols R, which may be identical or different, are each a phenyl radical substituted by at least one element or electron-withdrawing substituent or by at least two halogen atoms, or an aryl radical containing at least two aromatic ring members, or such aryl radical bearing at least one electron-withdrawing substituent.
摘要:
A self-locking agent for a fastening device comprises a microencapsulated adhesive composition comprising the following constituents (a) to (c):(a) an epoxy compound having at least two epoxy groups,(b) an aromatic diamine represented by the following formula (a) or (b): ##STR1## wherein R.sub.1 to R.sub.4 each represent CH.sub.3, C.sub.2 H.sub.5, C.sub.3 H.sub.7, CH(CH.sub.3).sub.2, C.sub.4 H.sub.9 or a halogen, or ##STR2## wherein R.sub.5 to R.sub.7 each represent CH.sub.3, C.sub.2 H.sub.5, C.sub.3 H.sub.7 or a halogen, and(c) at least one compound selected from the group consisting of thiosalicylic acid, salicylic acid, benzoic anhydride, boron trifluoride and boron trifluoride complexes, wherein at least one of the epoxy compound (a) and aromatic diamine (b) is microencapsulated to keep them apart from each other, said self-locking agent has excellent thermal resistance and storage stability.
摘要翻译:用于紧固装置的自锁剂包括包含以下成分(a)至(c)的微胶囊化粘合剂组合物:(a)具有至少两个环氧基的环氧化合物,(b)由下式表示的芳族二胺 (a)或(b):其中R 1至R 4各自表示CH 3,C 2 H 5,C 3 H 7,CH(CH 3)2,C 4 H 9或卤素,或(b)其中R 5至R 7各自表示 CH 3,C 2 H 5,C 3 H 7或卤素,和(c)至少一种选自硫代水杨酸,水杨酸,苯甲酸酐,三氟化硼和三氟化硼配合物的化合物,其中至少一种环氧化合物(a) 和芳族二胺(b)被微胶囊化以使它们彼此分开,所述自锁剂具有优异的耐热性和储存稳定性。