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    • 4. 发明公开
    • CURABLE RESIN COMPOSITION
    • 可固化树脂组合物
    • EP2644631A1
    • 2013-10-02
    • EP11843403.4
    • 2011-11-08
    • Showa Denko K.K.
    • DOI, MitsuruYASUI, YoshikatsuISHII, NobuakiOHTAKE, IsaoURAKAWA, KatsuroOI, HirokoHATTORI, Yotaro
    • C08F290/12C09D4/02C09D157/06
    • C09D181/02C08F283/008C08F283/01C08F290/12C08K3/36C09D4/00C08F222/10
    • The present invention is a curable resin composition comprising a copolymer (A) represented by the following general formula (1), silica fine particles (B), a reactive monomer (C) and a polymerization initiator (D). In the general formula (1), X is an atomic group formed by removing "k" mercapto groups from a multifunctional thiol compound having at least "k" mercapto groups; Y is a monovalent organic group derived from a copolymer formed by copolymerizing unsaturated monomers; and "k" is an integer of 3 to 10. The present invention can provide a hard coat agent which has low curing shrinkage and which has both low curing shrinkage and antiblocking properties as needed; a hard coat film and a hard-coat treated plastic substrate having high pencil hardness and low curling properties, by using this hard coat agent.

              X- (̵S-Y) k      (1)
    • 本发明是含有下述通式(1)所示的共聚物(A),二氧化硅微粒(B),反应性单体(C)和聚合引发剂(D)的固化性树脂组合物。 在通式(1)中,X是通过从具有至少“k”巯基的多官能硫醇化合物除去“k”巯基而形成的原子团; Y是由共聚不饱和单体形成的共聚物衍生的一价有机基团; k为3〜10的整数。本发明可以提供固化收缩率低,根据需要兼具低固化收缩率和防粘连性的硬涂剂, 通过使用该硬涂剂,可以得到铅笔硬度高,卷曲性低的硬涂膜和硬涂处理塑料基材。 X-(̵S-Y)k(1)
    • 10. 发明公开
    • CURABLE COMPOSITION AND CURED PRODUCT THEREOF
    • ÄUS US US US US US US US US US US US US US US US US US US US US
    • EP2172509A1
    • 2010-04-07
    • EP08790651.7
    • 2008-06-26
    • Showa Denko K.K.
    • URAKAWA, YoshifumiISHII, NobuakiTOMITA, MiyukiHATTORI, YotaroIKEDA, HaruhikoMUROFUSHI, Katsumi
    • C08G75/04C09D7/12C09D175/14C09J11/06C09J175/14G02B1/04
    • C09D175/16C08F283/006C08G18/672C08G18/8116
    • It is an object of the present invention to provide a curable composition having excellent curability and capable of forming a cured film which is excellent in surface hardness, scratch resistance, flexibility, bending property, transparency and curling property, and a cured product thereof. The curable composition of the present invention is characterized by comprising (A) a urethane compound represented by the following general formula (1), (B) a thiol compound and (C) a polymerization initiator.

      wherein R 1 is a straight-chain or branched divalent aliphatic group, a divalent organic group having an alicyclic group, a divalent organic group having an aromatic ring or [-(CH 2 ) a -O-(CH 2 ) b -] c (a and b are each independently an integer of 1 to 10, and c is an integer of 1 to 5), R 2 is a straight-chain or branched divalent aliphatic group, a divalent organic group having an alicyclic group, a divalent organic group having an aromatic ring or [-(CH 2 ) d -O-(CH 2 ) e -] f (d and e are each independently an integer of 1 to 10, and f is an integer of 1 to 5), and R 3 and R 4 are each independently a hydrogen atom or a methyl group.
    • 本发明的目的是提供一种固化性优异且能够形成表面硬度,耐擦伤性,柔软性,弯曲性,透明性和卷曲性优异的固化膜的固化性组合物及其固化物。 本发明的固化性组合物的特征在于,包含(A)由以下通式(1)表示的氨基甲酸酯化合物,(B)硫醇化合物和(C)聚合引发剂。 其中R 1为直链或支链二价脂族基团,具有脂环族基团的二价有机基团,具有芳环的二价有机基团或[ - (CH 2)a -O-(CH 2)b - ] c (a和b各自独立地为1〜10的整数,c为1〜5的整数),R 2为直链或支链的二价脂族基团,具有脂环基的二价有机基团,二价有机基团 具有芳环或[ - (CH 2)d -O-(CH 2)e - ] f(d和e各自独立地为1〜10的整数,f为1〜5的整数)的基团, R 3和R 4各自独立地为氢原子或甲基。