Patent classifications
C08F8/08
HYDROGENATED POLYETHER-MODIFIED AMINO-FUNCTIONAL POLYBUTADIENES AND PROCESSES FOR PREPARATION THEREOF
A process for preparing hydrogenated polyether-modified amino-functional polybutadienes includes: reacting at least one polybutadiene with at least one epoxidizing reagent to give at least one epoxy-functional polybutadiene; reacting the at least one epoxy-functional polybutadiene with at least one amino-functional compound to give at least one hydroxy- and amino-functional polybutadiene; reacting the at least one hydroxy- and amino-functional polybutadiene with at least one epoxy-functional compound to give at least one polyether-modified amino-functional polybutadiene; and hydrogenating the at least one polyether-modified amino-functional polybutadiene to give at least one hydrogenated polyether-modified amino-functional polybutadiene.
Pneumatic tire comprising a rubber composition based on epoxidized polyisoprene and a thermoplastic polyurethane
A tire having improved mechanical properties, comprises a rubber composition based on at least one epoxidized polyisoprene having a molar degree of epoxidation ranging from 5% to 85%, at least one thermoplastic polyurethane, and a crosslinking system.
Pneumatic tire comprising a rubber composition based on epoxidized polyisoprene and a thermoplastic polyurethane
A tire having improved mechanical properties, comprises a rubber composition based on at least one epoxidized polyisoprene having a molar degree of epoxidation ranging from 5% to 85%, at least one thermoplastic polyurethane, and a crosslinking system.
POLYBUTADIENOLS FOR PRODUCING GLASSY POLYURETHANES
The invention relates to a process for the production of polybutadienols from polybutadienes with number-average molar mass from 300 to 2000 g/mol comprising from 20 to 50% of 1,4 double bonds and from 50 to 80% of 1,2 vinylic and 1,2 cyclovinylic double bonds, based on the quantity of all of the double bonds, comprising the steps of i) epoxidation of some or all of the 1,4 double bonds with an epoxidizing reagent which selectively epoxidizes 1,4 double bonds, ii) reaction of the epoxidized polybutadiene with an alcohol or water to give a polybutadienol.
POLYBUTADIENOLS FOR PRODUCING GLASSY POLYURETHANES
The invention relates to a process for the production of polybutadienols from polybutadienes with number-average molar mass from 300 to 2000 g/mol comprising from 20 to 50% of 1,4 double bonds and from 50 to 80% of 1,2 vinylic and 1,2 cyclovinylic double bonds, based on the quantity of all of the double bonds, comprising the steps of i) epoxidation of some or all of the 1,4 double bonds with an epoxidizing reagent which selectively epoxidizes 1,4 double bonds, ii) reaction of the epoxidized polybutadiene with an alcohol or water to give a polybutadienol.
NOVEL CHAIN TRANSFER AGENT AND EMULSION POLYMERIZATION USING THE SAME
To provide a novel compound having both a surface-activating ability and a polymerization controlling ability.
A compound represented by the following general formula (1) or (2):
##STR00001## wherein, R.sup.1 and R.sup.3 are an organic group having the hydrophile-lipophile balance (HLB) determined by Griffin's method of 3 or more. The definitions of R.sup.1, R.sup.2, R.sup.3, R.sup.4, Z, p and q are described in the Description.
Chain transfer agent and emulsion polymerization using the same
To provide a novel compound having both a surface-activating ability and a polymerization controlling ability. A compound represented by the following general formula (1) or (2): ##STR00001## wherein, R.sup.1 and R.sup.3 are an organic group having the hydrophile-lipophile balance (HLB) determined by Griffin's method of 3 or more. The definitions of R.sup.1, R.sup.2, R.sup.3, R.sup.4, Z, p and q are described in the Description.
Chain transfer agent and emulsion polymerization using the same
To provide a novel compound having both a surface-activating ability and a polymerization controlling ability. A compound represented by the following general formula (1) or (2): ##STR00001## wherein, R.sup.1 and R.sup.3 are an organic group having the hydrophile-lipophile balance (HLB) determined by Griffin's method of 3 or more. The definitions of R.sup.1, R.sup.2, R.sup.3, R.sup.4, Z, p and q are described in the Description.
Block copolymer materials for directed assembly of thin films
Provided herein are methods of formulating and engineering block copolymer (BCP) systems for directed self-assembly (DSA) processes. In some embodiments, the methods involve engineering a BCP material based on the interaction parameter () of the material and the surface and/or interaction energies of its constituent blocks. Also provided are novel block BCP materials that can be used in DSA techniques. In some embodiments, the BCP systems described herein have micro-phase separating blocks, with at least one block including multiple types of repeat units. Also provided are structures formed by DSA, including structures having a sub-20 nm dimension. Applications included nanolithography for semiconductor devices, fabrication of cell-based assays, nanoprinting, photovoltaic cells, and surface-conduction electron-emitter displays.
Block copolymer materials for directed assembly of thin films
Provided herein are methods of formulating and engineering block copolymer (BCP) systems for directed self-assembly (DSA) processes. In some embodiments, the methods involve engineering a BCP material based on the interaction parameter () of the material and the surface and/or interaction energies of its constituent blocks. Also provided are novel block BCP materials that can be used in DSA techniques. In some embodiments, the BCP systems described herein have micro-phase separating blocks, with at least one block including multiple types of repeat units. Also provided are structures formed by DSA, including structures having a sub-20 nm dimension. Applications included nanolithography for semiconductor devices, fabrication of cell-based assays, nanoprinting, photovoltaic cells, and surface-conduction electron-emitter displays.