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7579418 |
Extrusion process and product
The present invention relates to the process of extruding melt drawing fluoropolymer onto conductor to form insulated conductor at a line speed of at least 533 m/min and having no more than 10...
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7566754 |
Process for making contact lenses from prepolymers
The invention relates to novel crosslinkable copolymers which are obtainable by
(a) copolymerizing at least one hydrophilic monomer having one ethylenically unsaturated double bond and at least...
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7365115 |
Composition for antireflection coating and method for forming pattern
An anti-reflective coating film is formed by applying on a chemically amplified photoresist film an anti-reflective coating composition comprising an alkali-soluble fluorine-containing polymer, an...
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7332553 |
Functional monomers for molecular recognition and catalysis
The present invention refers to new classes of polymerisable monomers, to molecularly imprinted polymers obtainable by polymerisation of at least one of the monomers and a crosslinking monomer in...
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7285610 |
Synthesis method for polymers by controlled radical polymerisation with xanthates
A polymer composition and method of preparing same is described wherein an ethylenically unsaturated monomer is contacted with a source of free radicals and a compound of formula (1A), (1B) and...
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7268189 |
Polymers
The invention relates to novel crosslinkable copolymers which are obtainable by (a) copolymerizing at least one hydrophilic monomer having one ethylenically unsaturated double bond and at least...
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7230063 |
Functional trithiocarbonate RAFT agents
The present invention is directed to a free radical control agent of the structural formula:
wherein R 1 is a divalent alkyl group of 1 to 12 carbon atoms, R 2 and R 3 are each independently...
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7176255 |
Method for producing aqueous polymer dispersions containing colorants
The present invention relates to a process for preparing dye-comprising aqueous polymer dispersions by free-radical aqueous emulsion polymerization of ethylenically unsaturated monomers in the...
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7125938 |
Atom or group transfer radical polymerization
A polymerization process comprising initiating a first polymerization of monomers using an initiator functionalized with an ATRP initiating site, wherein the first polymerization is selected from...
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7091283 |
Crosslinkable prepolymers from a hydrophilic monomer and a hydrophobic crosslinker
The invention relates to novel crosslinkable copolymers which are obtainable by (a) copolymerizing at least one hydrophilic monomer having one ethylenically unsaturated double bond and at least one...
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7056413 |
Acrylate copolymers and pressure-sensitive adhesives obtainable therefrom for bonding low-energy surfaces
An acrylate copolymer for use in pressure-sensitive adhesives, particularly suitable for the bonding of low-energy surfaces, is composed of the following monomer components: A) 60 to 95% by weight...
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7001966 |
Method for the production of isobutene polymers
The present invention relates to a process for preparing an isobutene polymer using a cyclopentene derivative as initiator and to the isobutene polymer obtainable by means of the process and to...
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6984675 |
Formaldehyde-free binder compositions for simultaneous warp sizing and coloration of filament yarns
An aqueous dispersion has an addition polymer (B) formed in situ on a sulfopolyester (A). The sulfopolyester (A) is formed as a polycondensation product of first and second reaction mixtures. The...
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6828401 |
Preparation method of peg-maleimide derivatives
The present invention relates to novel synthetic methods for PEG-maleimide derivatives, specifically, novel synthetic methods for PEG-maleimide. The final products thereof are useful as a...
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6787594 |
Reduced formaldehyde nonwoven binders which contain polymerized units of N-methylolacrylamide
The invention is the use of a glycolic acid adduct of sodium sulfite as the reducing agent in the redox couple for polymerization of vinyl acetate polymer based emulsions for nonwoven binders which...
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6700023 |
Low temperature initiators for fluoroolefin polymerization
A new class of low temperature initiators has been found, enabling fluoroolefin polymerizations at relatively low temperatures. These initiators are diacyl peroxides which allow improved...
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6649708 |
Process for producing polymer particles
To provide a process for producing polymer particles which are spherical and have smooth surfaces and small contents of oil- and the solvent-soluble at the time of being compounded. Polymer...
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6555638 |
Production of water-expandable styrene polymers
A process for the preparation of styrene polymers containing water as the sole expanding agent by polymerization of styrene in aqueous suspension in the presence of an amphiphilic organic...
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6391983 |
Casting composition of aromatic polyvinyl monomer, polythiol and epoxy strain reducer
A crosslinkable polymeric casting composition comprises an aromatic polyvinyl monomer such as divinyl benzene, a polythiol such as pentaerythritol tetrakis-(3-mercaptopropionate), an epoxide...
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6291620 |
Polymer synthesis
Process for the synthesis of block polymers, homopolymers and copolymers of narrow polydispersity having formula (1) by contacting selected vinyl monomer(s), vinyl-terminated compound(s) and free...
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6281310 |
Methacrylated or acrylated cyanoacetates and the adhesives and polymers thereof
A methyacryloyl or acryloyl derivative of an ester of cyanoacetic acid may be of the formula: CN--CH 2 --COOR 2 OCOCR 1 CH 2 . R 1 may be H or CH 3 , and R 2 may be one of the group of...
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6271184 |
Viscosity improvers for lubricating oil-compositions
A copolymer comprising units derived from (a) methaciylic acid esters containing from about 9 to about 25 carbon atoms in the ester group and (b) methacrylic acid esters containing from 7 to about...
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6248839 |
Mercapto-containing block copolymers having polymethacrylic acid and polyalkylene oxide repeating groups
The invention relates to polymethacrylate acid-polyalkylene oxide block copolymers, to a process for their preparation and to their use as dispersants or suspension stabilizers for pigments and...
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6207771 |
Method for producing polymers using micellar polymerization
A process for forming a hydrophobically modified water soluble or water dispersible polymer by utilizing a micellar polymerization technique comprising the steps of: (1) providing a reaction...
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6013746 |
Process for controlling the molecular weight distribution of high 1,4-cis polybutadiene
This invention relates to a process for controlling the molecular weight distribution of high 1,4-cis polybutadiene and more particularly, to a process of easily controlling the molecular weight...
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5962577 |
Aqueous resin composition for coating metal, and radically polymerizable macromonomer
An aqueous resin composition for coating a metal, which can form a coating film having excellent water resistance and also having high hardness and excellent workability even after being subjected...
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5948874 |
Acid catalyzed polymerization
The present invention is an improvement in a free radical bulk polymerization process for preparing a high molecular weight polymer from a vinyl aromatic monomer characterized in that the...
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5932671 |
Polymerization process
A process for producing a water-soluble polymer which can be useful in a subterranean formation is provided. The process comprises contacting a an olefinic compound and a thiol under a solution...
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5925716 |
Polymers from unsaturated acid monomers containing amine-sulfide moiety
Polymers having amine-thiol terminal moieties are provided. The amine-thiol terminal moieties are imparted by using amine-thiols as chain transfer agents in aqueous addition polymerizations. The...
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5916985 |
Functionalised polymers, method for synthesising same and use thereof as surfactants, particularly in cosmetic compositions such as nail varnish
The invention relates to a functionalised polymer of formula: (P)--S--X--F (1) in which: (P) is a hydrophobic polymer chain obtained by radical...
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5847062 |
Aqueous suspension process for producing copolymers of vinyl chloride and vinyl esters
Copolymers of vinyl or vinylidene halides and vinyl esters of fatty acids having low molecular weights, good particle characteristics, and improved melt flow are made by aqueous polymerization...
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5847061 |
Process for producing polymers having terminal functional group which may be protected
A process for producing polymers having terminal functional group which may be protected, comprises polymerizing a radical-polymerizable monomer with a polymerization initiator comprising at least...
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5789506 |
Resinous particles, method for production thereof, and uses therefor
A polymeric monomer (A) having as a main component thereof a (meth)acryl type monomer which is subjected to aqueous suspension polymerization in the presence of a compound (B) which is...
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5773543 |
Allylic chain transfer agents
A process for the free radical initiated polymerization of unsaturated species characterized by the use of compound of Formula (I) as chain transfer agents: ##STR1## wherein: X is selected from...
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5767210 |
Process for controlled radical polymerization or copolymerization of (meth)acrylic and vinyl monomers and (co)polymers obtained
This process is characterized by the fact that at least one of the said monomers is polymerized or copolymerized in bulk, solution, emulsion or suspension, at a temperature that can be as low as...
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5763552 |
Hydrogen-containing flourosurfacant and its use in polymerization
A partially-fluorinated surfactant having internal methylene groups and having the formula R f --(CH 2 ) m --R' f --COOM wherein m is 1-3, R f is perfluoroalkyl or perfluoroalkoxy, containing...
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5739228 |
Polymerization using thionoester compounds as chain transfer agents
A process for the production of low molecular weight polymers by free radical polymerization of one or more monomers in the presence of a chain transfer agent, wherein the chain transfer agent...
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5728786 |
Styrl-modified acrylate polymer pressure sensitive adhesive beads
Styryl-modified acrylate polymer pressure sensitive adhesive beads, adhesive films made therefrom and methods of making the same. Surprisingly, the polymerization of styryl-functional monomer into...
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5618898 |
Weather-resistant solvent-based coating obtained by polymerization with thioether bond converted to sulfone bond
A process for producing a polymer of excellent weatherability, which comprises reacting a polymer having a thioether bond, with a peroxide to oxidize the sulfur atom in the bond to convert it into...
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5504170 |
Aqueous microemulsion polymerization of tetrafluoroethylene
Polytetrafluoroethylene (PTFE) structures are described which are prepared by polymerizing liquid tetrafluoroethylene in an aqueous microemulsion region to obtain small particles of PTFE.
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5403900 |
Polymerization of liquid tetrafluoroethylene in aqueous dispersion
Novel polytetrafluoroethylene structures are described, which were prepared by polymerizing liquid tetrafluoroethylene in aqueous dispersion. The novel structures include continuous...
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5403899 |
Method for preparing powder including adding fluoro non-ionic surfactant after 70% polymerization is reached of vinyl chloride polymers
A method for preparing powder of a vinyl chloride polymer comprises the steps of polymerizing vinyl chloride monomer or a vinyl monomer mixture mainly comprising vinyl chloride monomer in an...
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5399642 |
Latent thiol mercaptan chain transfer agents and their use in the synthesis of polymers
This invention relates to latent thiol mercaptan chain transfer agents and their use in the synthesis of polymers. In addition, this invention relates to novel polymers and block copolymers formed...
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5399640 |
Polymerization of liquid tetrafluoroethylene in aqueous dispersion
Novel polytetrafluoroethylene structures are described, which were prepared by polymerizing liquid tetrafluoroethylene in aqueous dispersion. The novel structures include continuous...
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5395903 |
Conjugated diene chain-transfer agents for polymerization of olefinically unsaturated (co)monomers
Odorless functional (co)polymers are prepared by polymerizing, for example via aqueous emulsion, bulk or organic solution polymerization, at least one olefinically unsaturated monomer, e.g.,...
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5378780 |
Process for the production of paste-forming vinyl chloride polymers
Paste-forming polymers of vinyl chloride are produced by discontinuous polymerization in the presence of a conventional predispersion of emulsifier, dispersion acid, water and optional...
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5349035 |
Copolymerization process and optical copolymer produced therefrom
A process for preparing a copolymer suitable for use in an optical element which comprises the step of radically-polymerizing a composition which comprises at least one first monomer represented by...
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5349008 |
Process for suspension polymerization of vinyl compound
Disclosed herein is a process for suspension polymerization of a vinyl polymer which comprises using as the suspending agent a polyvinyl ester polymer having an ionic group at an end thereof or a...
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5277978 |
Polymeric stabilizers for emulsion polymerization
The process of producing a stable polymer dispersion by aqueous emulsion polymerization of an ethylenically unsaturated monomer in the presence of a stabilizer selected from a polyester or...
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5254649 |
Cationic polymerization of 1-olefins
This invention relates to a process for producing a polymer predominating in terminal unsaturation by cationically polymerising a 1-olefin in the liquid phase at a temperature from -100° to +100°...
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