Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 8,913

Document Document Title
WO/2018/011135A1
The invention relates to a method for producing solid acrylic acid polymers, comprising the steps of: (a) preparation of an aqueous acrylic acid polymer solution having a solids content of 30 to 70 % by weight by radical polymerization, ...  
WO/2018/003663A1
Provided is a method for producing a polymer coagulant powder by drying a polymer emulsion obtained by emulsion polymerization of a monomer mixture containing at least a cationic monomer and a crosslinkable monomer, the method including:...  
WO/2017/220724A1
A process for the offline deactivation of at least one single site catalyst comprising contacting said catalyst with a deactivating agent selected from an aprotic low molecular weight carbonyl group containing organic compound or an apro...  
WO/2017/217708A1
The present application relates to a solvent recovery device and a solvent recovery method, the solvent recovery device and method, according to the present application, enabling the reduction of steam consumption during a synthetic rubb...  
WO/2017/217709A1
The present application relates to a solvent separation device and a waste heat utilization method, the solvent separation device and the waste heat utilization method, according to the present application, enabling the reduction of cool...  
WO/2017/217720A1
The present invention provides: a method for preparing a modified conjugated diene-based polymer, capable of preventing the deterioration of processability by inhibiting an increase in Mooney viscosity during post-treatment using high-te...  
WO/2017/209133A1
The purpose of the present invention is to provide a method for manufacturing a fluororesin in which contained low boiling components have been adequately reduced. Provided is a method for manufacturing a fluororesin in which low boiling...  
WO/2017/204154A1
Provided is a catalyst recovery method wherein a solution, which contains a reaction mixture that is obtained by performing a hydrogenation reaction in the presence of a platinum group element-containing catalyst, is brought into contact...  
WO/2017/186511A1
The present invention relates to a process for the production of copolymers comprising: (i) forming a reaction mixture comprising an elastomer and a vinyl aromatic compound; (ii) introducing the reaction mixture to a reaction vessel; and...  
WO/2017/170974A1
According to the present invention a polyvinyl alcohol is produced by performing: a polymerization step wherein a polymer solution containing a polyvinyl ester is obtained by polymerizing a vinyl ester monomer by means of controlled radi...  
WO/2017/168420A1
Microparticles and Nanoparticles crosslinked polymer derived from 2-(2' -hydroxy-5 '-methacryloxyethylphenyl)-2H-benzotriazole or a derivative thereof, are disclosed. Process of preparing the polymeric nanoparticles per se and incorporat...  
WO/2017/162485A1
The present invention relates to a method for the production of a polyaryl ether by reaction of the components (a1) and (a2) in the presence of a carbonate compound (C) so as to obtain a salt-containing polymer (sP) which contains the po...  
WO/2017/164507A1
The present invention provides a method for preparing an aromatic vinyl-unsaturated nitrile-based copolymer and an aromatic vinyl-unsaturated nitrile-based copolymer prepared using the method, wherein, in the preparation of an aromatic v...  
WO/2017/159534A1
Provided is a method for producing a polymer latex, the method comprising: a stirring step for adding water to a polymer solution obtained by dissolving a synthetic rubber in an organic solvent, and stirring the water with the polymer so...  
WO/2017/155989A1
A method for providing particles of polyvinyl chloride, wherein the particles offer improved chlorinating efficiency, the method comprising (i) providing polyvinyl chloride particles; and (ii) introducing a chlorination accelerant to the...  
WO/2017/155197A1
The present invention relates to a method for preparing a superabsorbent resin, which maintains excellent absorption performance and exhibits improved liquid permeability and absorption rate. The method for preparing a superabsorbent res...  
WO/2017/153663A1
The invention relates to a porous material comprising particles of polymer P assembled by a block copolymer, said block copolymer comprising at least one block consisting of a polymer sequence immiscible with polymer P, and at least two ...  
WO/2017/155196A1
The present invention relates to a superabsorbent resin, which maintains excellent absorption performance and retains excellent physical properties even after being physically damaged by an external force. The superabsorbent resin compri...  
WO/2017/151339A1
A method of making a low-fluoride reactive PIB composition incudes in one embodiment: a) providing an isobutylene-enriched C4 feedstock by way of blending a first mixed C4 feedstock with a second feedstock having a lower LB/IsoB index; (...  
WO/2017/151341A1
A method of making a low-fluoride reactive PIB composition includes (a) providing a modified C4 feedstock by way of blending a mixed C4 feedstock with a second feedstock having a lower LB/IsoB ratio; or providing a C4 feedstock with an L...  
WO/2017/151935A1
Provided are methods for removing a perfluorinated alkanoic acid from solutions containing the perfluorinated alkanoic acid and a fluorinated alkoxy acid. These methods include contacting the first solution with an anion-exchange resin t...  
WO/2017/143316A1
Methods for forming melt processable, actinic radiation polymerizable and crosslinkable adhesives are described. In certain versions, the adhesives or pre-adhesive compositions include two initiators and are polymerized and/or crosslinke...  
WO/2017/140648A1
A method for the preparation of a dried powder in a facility comprising a first drying chamber being a back-mixing drying chamber comprising one or more heating elements and a second drying chamber, wherein a mixture of powder and diluen...  
WO/2017/132350A1
Methods according to the present invention decolorize a polymer by mixing a solution of the polymer with a photocatalyst and exposing the mixture to ultraviolet light; by way of non-limiting example, the polymer may be a star polymer and...  
WO/2017/127175A1
High Mooney viscosity elastomers having low volatiles content, and processes for producing such elastomers, are provided herein. In particular aspects, the elastomers are metallocene-catalyzed elastomers, such as mEPDM elastomers. Proces...  
WO/2017/119144A1
Particles of an acrylic polymer which comprises a constituent unit (A) derived from methyl methacrylate and a constituent unit (B) derived from an alkyl (meth)acrylate in which the alkyl group has 2-8 carbon atoms, the particles having a...  
WO/2017/115861A1
[Problem] To provide a method for producing a powdery or particulate water absorbent resin with high productivity, said water absorbent resin having excellent physical properties such as water absorbability. [Solution] A method for produ...  
WO/2017/108963A1
The present invention relates to a process for producing a polymer composition comprising the steps of: (A) polymerising, in a first polymerisation reactor in a first solvent, - a first olefin monomer having two or more carbon atoms, - i...  
WO/2017/108951A1
An in-line blending process for polymers comprising: (a) providing two or more reactor-low pressure separator units (1,7) in parallel configuration, each reactor-low pressure separator unit comprising one reactor (2,8) fluidly connected ...  
WO/2017/109497A1
An additive manufacturing composition for powder bed processes is described. The composition comprises at least a first type of impact modified polymer beads. The polymer beads comprise a)an acrylic or vinyl (co)polymer matrix, and b)an ...  
WO/2017/108945A1
The present invention deals with a process of polymerising at least one olefin in a fluidised bed in a fluidised bed polymerisation reactor comprising a top zone, a middle zone in direct contact and below, a bottom zone in direct contact...  
WO/2017/108969A1
The present invention deals with a process for polymerising olefins in a solution and withdrawing a stream of the solution from the polymerisation reactor and passing it to a sequence of heating steps. The heated solution is passed to a ...  
WO/2017/108909A1
A process for withdrawing polyolefins from a solution polymerization reactor comprising: providing - a low pressure separator 1, - a washing column 2, - a withdrawal line 3 connecting the upper part of the low pressure separator and the ...  
WO/2017/104789A1
This polyvinyl ether compound production method involves polymerizing a vinyl ether compound in the presence of a polymerization catalyst, and eliminating the polymerization catalyst with an adsorbent following polymerization.  
WO/2017/099361A1
The present invention relates to a method for preparing a styrene-based resin having a low oligomer content and to a styrene-based resin prepared thereby. The preparing method according to the present invention can produce a styrene-base...  
WO/2017/093468A1
The invention relates to a method for producing thermoplastic molding materials based on acrylonitrile-butadiene-styrene copolymers (ABS) having improved surface properties, in particular improved resistance of the surface quality to sto...  
WO/2017/083241A1
Described herein is a melt-processible polymer composition comprising: a non-fluorinated melt-processible polymer; and a fluorine-containing polymer comprising at least three -(SO3 -)iM+i groups per polymer chain wherein M is a cation; a...  
WO/2017/078843A1
Disclosed herein are methods and systems for purging a polymer product of volatiles. The methods and systems are particularly useful in the purging of a polyethylene polymer product produced in a fluidized bed reactor.  
WO/2017/069133A1
The present invention provides: a highly efficient liquid crystal alignment film having alignment control performance applied thereto and having excellent characteristics such as voltage retention rate; a polymer composition to which sam...  
WO/2017/063850A1
According to the invention, in order to release, in a gentle and effective way, monomers and/or oligomers from a fibre reinforced component formed during polymerization, a supercritical fluid is used as an extraction agent.  
WO/2017/055179A1
Method for producing a thermoplastic moulding compound containing: up to 40 wt.% of a graft copolymer A, containing 50-70 wt.% graft base A1 from an acrylic ester polymer and 30-50 wt.% of a graft shell A2, and 0-90 wt.% of a hard matrix...  
WO/2017/056529A1
Provided are polymer particles having excellent uniform dispersibility, and the use thereof. The polymer particles contain a surfactant; the coefficient of variation of the volume-based particle size distribution is 13.0-25.0%, and the c...  
WO/2017/053517A1
A process to form a first composition comprising a functionalized olefin-based polymer comprises: a) polymerizing a composition comprising an olefin to form a reaction product comprising an olefin-based polymer; b) subjecting at least a ...  
WO/2017/048019A1
A continuous gas phase polymerization apparatus for alpha olefin of the present invention comprises: a first polymerization unit for primarily polymerizing a polymer; a second polymerization unit which is connected to the first polymeriz...  
WO/2017/047335A1
The present invention addresses the problem of providing a method for producing a (meth)acryloyl-terminal polyisobutylene-type polymer having excellent transparency, said method being simple and being able to be applied to actual product...  
WO/2017/039048A1
The present invention relates to a commercial reaction process for the selective oligomerization reaction of ethylene, and a method for efficiently removing reaction heat to be generated in a reaction and regulating the temperature of th...  
WO/2017/037349A1
Method of dewatering nanocellulose and other water soluble of hydrophilic polymers. The method comprises providing an aqueous suspension formed by nanocellulose in water, said nanocellulose having free hydroxyl groups; mixing the aqueous...  
WO/2017/033552A1
The present invention is a polyvinyl alcohol resin for the production of a polarizing film, which has a weight swelling degree of 1.4-1.65 as calculated by formula (1). Consequently, a polyvinyl alcohol film that has excellent dyeability...  
WO/2017/034685A1
A polymer synthesis system has a polymerization reactor and a deliquifying-quench extruder downstream of and in fluid communication with the polymerization reactor. The polymerization reactor has an inlet and an outlet with a rotatable s...  
WO/2017/033749A1
The purpose of the present invention is to provide a process which is for producing a (meth)acryloyl-terminated polyisobutylene-based polymer having excellent transparency and which is an easy process applicable to actual production proc...  

Matches 1 - 50 out of 8,913