Patent classifications
C08L19/006
Conjugated diene polymer and method of production of conjugated diene polymer
A conjugated diene polymer represented by the following formula (1) or the following formula (2): ##STR00001## (wherein, in the formula (1) and in the formula (2), the polymer represents a polymer chain containing conjugated diene monomer units, X.sup.1 and X.sup.2 represent a functional group selected from a hydrocarbyloxy group, halogen group, and hydroxyl group, R.sup.1 and R.sup.4 represent a substituted or unsubstituted hydrocarbon group, R.sup.2 and R.sup.3 and R.sup.5 and R.sup.6 respectively represent a substituted or unsubstituted hydrocarbon group, R.sup.2 and R.sup.3 or R.sup.5 and R.sup.6 may bond with each other to form a ring structure. In the formula (1), n is an integer of 1 to 3, m is an integer of 0 to 2, p is an integer of 0 to 2, and n+m+p=3. Further, in the formula (2), s is 1 or 2, t is 0 or 1, u is 0 or 1, and s+t+u=2).
Conjugated diene polymer and method of production of conjugated diene polymer
A conjugated diene polymer represented by the following formula (1) or the following formula (2): ##STR00001## (wherein, in the formula (1) and in the formula (2), the polymer represents a polymer chain containing conjugated diene monomer units, X.sup.1 and X.sup.2 represent a functional group selected from a hydrocarbyloxy group, halogen group, and hydroxyl group, R.sup.1 and R.sup.4 represent a substituted or unsubstituted hydrocarbon group, R.sup.2 and R.sup.3 and R.sup.5 and R.sup.6 respectively represent a substituted or unsubstituted hydrocarbon group, R.sup.2 and R.sup.3 or R.sup.5 and R.sup.6 may bond with each other to form a ring structure. In the formula (1), n is an integer of 1 to 3, m is an integer of 0 to 2, p is an integer of 0 to 2, and n+m+p=3. Further, in the formula (2), s is 1 or 2, t is 0 or 1, u is 0 or 1, and s+t+u=2).
MULTI-BASE MATERIAL ADAPTIVITY PULLING REMOVAL TYPE BINDER PRODUCT, BINDER COMPOSITION AND ASSEMBLY
The present disclosure provides a multi-base material adaptivity pulling removal type binder product, a binder composition and an assembly. The binder product contains an acrylic acid copolymer, a flexibilizer, tackifying resin and an isocyanate curing agent. The binder product comprises a binder layer formed by curing at least a part of the binder composition. The assembly is formed by bonding the binder layer. The binder can be used for firmly bonding various base materials, comprising both high surface energy base materials and low surface energy base materials; meanwhile, the binder can be pulled and removed from the base materials at a large angle. The binder is particularly suitable for the fields of smartphones, tablet computers and a newly developing electronic market.
MULTI-BASE MATERIAL ADAPTIVITY PULLING REMOVAL TYPE BINDER PRODUCT, BINDER COMPOSITION AND ASSEMBLY
The present disclosure provides a multi-base material adaptivity pulling removal type binder product, a binder composition and an assembly. The binder product contains an acrylic acid copolymer, a flexibilizer, tackifying resin and an isocyanate curing agent. The binder product comprises a binder layer formed by curing at least a part of the binder composition. The assembly is formed by bonding the binder layer. The binder can be used for firmly bonding various base materials, comprising both high surface energy base materials and low surface energy base materials; meanwhile, the binder can be pulled and removed from the base materials at a large angle. The binder is particularly suitable for the fields of smartphones, tablet computers and a newly developing electronic market.
RESIN COMPOSITION AND DISPLAY UNIT
A display unit that includes an image display part and a light-transmitting protective part arranged on the image display part. A cured resin layer is arranged between the display part and the protective part. The cured resin layer can have a transmittance of 90% or higher in the visible range and a storage modulus at 25? C. of 1?10.sup.7 Pa or less. The cured resin layer can be formed from a resin composition that has a cure shrinkage of 5% or less.
METHOD FOR SYNTHESISING A POLYMER BEARING AT LEAST ONE PHOSPHONATE GROUP, POLYMER OBTAINED BY SAID METHOD AND COMPOSITION CONTAINING SAME
A process for synthesizing a polymer bearing at least one phosphonate group in the polymer chain is provided. The process comprises at least the reaction of a starting polymer bearing at least one nucleophilic function in the polymer chain with at least one electrophilic compound bearing both a phosphonate group and an electrophilic function. The electrophilic function is selected from the halide function, the acyl halide function, the ester function, the carboxylic acid function and the isocyanate function.
Multi-base material adaptivity pulling removal type binder product, binder composition and assembly
The present disclosure provides a multi-base material adaptivity pulling removal type binder product, a binder compositon and an assembly. The binder product contains an acrylic acid copolymer, a flexibilizer, tackifying resin and an isocyanate curing agent. The binder product comprises a binder layer formed by curing at least a part of the binder composition. The assembly is formed by bonding the binder layer. The binder can be used for firmly bonding various base materials, comprising both high surface energy base materials and low surface energy base materials; meanwhile, the binder can be pulled and removed from the base materials at a large angle. The binder is particularly suitable for the fields of smartphones, tablet computers and a newly developing electronic market.
Multi-base material adaptivity pulling removal type binder product, binder composition and assembly
The present disclosure provides a multi-base material adaptivity pulling removal type binder product, a binder compositon and an assembly. The binder product contains an acrylic acid copolymer, a flexibilizer, tackifying resin and an isocyanate curing agent. The binder product comprises a binder layer formed by curing at least a part of the binder composition. The assembly is formed by bonding the binder layer. The binder can be used for firmly bonding various base materials, comprising both high surface energy base materials and low surface energy base materials; meanwhile, the binder can be pulled and removed from the base materials at a large angle. The binder is particularly suitable for the fields of smartphones, tablet computers and a newly developing electronic market.
Tyre tread
A tire, which has an improved grip on wet ground, includes a tread formed of at least a rubber composition. The rubber composition includes: 20 to 100 phr of a first diene elastomer bearing at least one SiOR function, with R being hydrogen or a hydrocarbon radical, and with phr referring to parts by weight per hundred parts of elastomer; 100 to 160 phr of a reinforcing inorganic filler; and a plasticizing system. The plasticizing system includes: a content A of between 5 and 60 phr of a hydrocarbon resin having a Tg above 20 C.; and a content B of between 5 and 60 phr of a liquid plasticizing agent. A total content A+B is greater than 45 phr. The rubber composition optionally includes 0 to 80 phr of a second diene elastomer.
Tyre tread
A tire, which has an improved grip on wet ground, includes a tread formed of at least a rubber composition. The rubber composition includes: 20 to 100 phr of a first diene elastomer bearing at least one SiOR function, with R being hydrogen or a hydrocarbon radical, and with phr referring to parts by weight per hundred parts of elastomer; 100 to 160 phr of a reinforcing inorganic filler; and a plasticizing system. The plasticizing system includes: a content A of between 5 and 60 phr of a hydrocarbon resin having a Tg above 20 C.; and a content B of between 5 and 60 phr of a liquid plasticizing agent. A total content A+B is greater than 45 phr. The rubber composition optionally includes 0 to 80 phr of a second diene elastomer.