Abstract: Polymers derived directly from acrolein monomer that are substantially soluble in water and/or aqueous media, together with methods for preparing same and compositions containing such for use as an anti-microbial, anti-cancer, anti-inflammatory and/or anti-coagulant.

Abstract: Ethylene-based interpolymers, e.g., ethylene-acrylic acid copolymers, are made by a process comprising the steps of: A. Injecting a first feed comprising a chain transfer agent system (CTA system) and ethylene into a first autoclave reactor zone to produce a first zone reaction product, the CTA system of the first reactor zone having a transfer activity Z1; and B. (1) Transferring at least part of the first zone reaction product to a second reactor zone selected from a second autoclave reactor zone or a tubular reactor zone, and (2) at least one of transferring or freshly injecting a feed comprising a CTA system into the second reactor zone to produce a second zone reaction product, the CTA system of the second reactor zone having a transfer activity of Z2; and with the proviso that the ratio of Z1:Z2 is greater than 1. The comonomer comprises at least one carboxylic acid group or an anhydride group.

Abstract: The present inventions are directed to novel medical adhesives and their use, for example, in biomedical applications. These compositions and applications allow for improved adhesion with and between mammalian tissues.

Abstract: Disclosed is a polylactic acid composition with improved heat-resistance and improved impact-resistance. Specifically, in the disclosed polylactic acid composition, both impact strength and heat-resistance are improved by mixing 30 to 80 wt % of polyketone and 10 to 40 wt % of modified rubber. The disclosed polylactic acid composition does not only exhibit excellent in heat resistance, chemical resistance, fuel permeation resistance, abrasion resistance, etc., but also has improved impact-resistance and improved heat resistance. Thus, it is possible to employ polylactic acid as a bioplastic in interior/exterior parts of a vehicle.

Abstract: The present invention relates to a (meth)acrylate monomer of the general formula (I) in which R1 is hydrogen or a methyl group, X is oxygen or a group of the formula NR? in which R? is hydrogen or a radical having 1 to 6 carbon atoms, R2 is an alkylene group having 1 to 22 carbon atoms, Y is oxygen, sulphur or a group of the formula NR?, in which R? represents hydrogen or a radical having 1 to 6 carbon atoms, and R3 is an unsaturated radical having 8 carbon atoms and at least two double bonds. The present invention further relates to a process for preparing the monomers set out above, to polymers obtainable from this monomer mixture, and to coating materials which comprise the stated polymers.

Abstract: An aqueous solution containing 10% by weight of acrylic acid and its conjugate base. The solution further contains, based on the amount of acrylic acid and its conjugate base: at least 50 ppm of propionic acid and its conjugate base; at least 200 ppm of formic acid and its conjugate base; at least 3000 ppm of acetic acid and it conjugate base; at most 10 ppm of benzoic acid and its conjugate base; at most 10 ppm of maleic anhydride, maleic acid, and their conjugate bases; at most 10 ppm of phthalic anhydride, phthalic acid, and their conjugate bases; at most 50 ppm of acrolein; at most 50 ppm of benzaldehyde; at most 50 ppm of 2-furaldehyde; and at least 20 mol % of at least one alkali metal cation. A process for preparing this solution and the use of this solution for preparation of a polymer by free-radical polymerization.

Abstract: The invention relates to mixtures of isononyl furan-2,5-dicarboxylate of formula (I), methods for producing said mixtures of isononyl furan-2,5-dicarboxylate of formula (I), compositions containing mixtures of isononyl furan-2,5-dicarboxylate of formula (I), uses of the mixtures of isononyl furan-2,5-dicarboxylate of formula (I) as plasticizers, and uses of the aforementioned compositions containing isononyl furan-2,5-dicarboxylate of formula (I).

Abstract: The present invention relates to integrated processes for the production of ethylene-butylene copolymers from at least one renewable natural raw material. More specifically, the present invention relates to processes wherein in the ethylene monomer, used in the polymerization for the production of an ethylene copolymer, and the 1-butylene, as the comonomer, is obtained by the ethanol dehydration reaction, which ethanol is produced by the fermentation of sugars, and the 1-butylene comonomer is obtained according to at least one of the following reactions: (i) dehydration reaction of 1-butanol directly produced by the fermentation of sugars, (ii) dehydration reaction of 1-butanol obtained from ethanol via a chemical route, which ethanol is produced by the fermentation of sugars; and/or (iii) dimerization reaction of ethylene produced by the dehydration of ethanol obtained from the fermentation of sugars, followed by isomerization of the 2-butylene isomers then formed.

Abstract: A sorbent polymer is provided that interacts or reacts with aqueous urea to aid the regeneration of a dialysate liquid. The sorbent polymer may include one or more specific functional groups bonded thereto. Such specific functional groups are selected from carboxylic acids, carboxylic acid esters, carboxylates, amides, dicarboxylic acids, dicarboxylic acid esters, and dicer boxylates to produce the desired urea sorbent.

Abstract: This invention relates to waterborne coatings with enhanced early water blushing resistance, chemical resistance, and adhesion to substrates. These waterborne coatings can be paints, varnishes, and water sealers that offer excellent early water blushing as well as excellent resistance to common household chemicals, such as gasoline, motor oil, brake fluid, transmission fluid, household cleaners, window cleaning fluids, antifreeze, and the like.

Abstract: Oxymethylene copolymers having a high proportion of terminal alkyl ether groups and having terminal hydroxyalkylene groups are described. These polymers are distinguished by high thermal stability and high hot water resistance.

Abstract: Fibrous structures that exhibit a Wet Burst of greater than 30 g as measured according to the Wet Burst Test Method and that may also exhibit a Geometric Mean (“GM”) Modulus and/or CD Modulus of less than 1320 at 15 g/cm and/or less than 875 at 15 g/cm as measured according to the Modulus Test Method are provided.

Abstract: The present invention relates to a (meth)acrylate monomer of the general formula (I) in which R1 is hydrogen or a methyl group, X is oxygen or a group of the formula NR? in which R? is hydrogen or a radical having 1 to 6 carbon atoms, and R2 is a radical having 3 to 31 carbon atoms and at least one aldehyde group. The present invention further relates to a process for preparing the monomers set out above, to polymers obtainable from this monomer mixture, and to coating materials which comprise the stated polymers.

Abstract: The present invention relates to a monomer mixture comprising at least 30% by weight of one or more alkyl (meth)acrylates having 1 to 10 carbon atoms in the alkyl radical, whose alkyl radical contains no double bonds or heteroatoms, and 0.1% to 40% by weight of one or more (meth)acrylates having at least one aldehyde group in the alkyl radical. The present invention further relates to polymers obtainable from this monomer mixture and also to coating materials which comprise the stated polymers.

Abstract: The present invention relates to an acrolein polymer containing a carbon biosourced according to the ASTM D6866-06 standard, and to the preparation method thereof including a first step for dehydrating glycerol from a glycerol aqueous solution in the presence of an acid catalyst, followed by a polymerization of the obtained substance in the presence of an ionic catalyst or a free radical initiator. The polymer according to the invention has numerous uses in the fields of animal health, antibiotics, disinfection and sterilization, cosmetics, drilling sludge, paints and inks, and the paper and textile industries, and responds to certain sustainable development concerns.

Abstract: The present invention provided a polymer and a method for preparing the polymer, wherein the polymer was a terpolymer having a molecular weight of more than 1000, and copolymerized by acrolein, acrylic acid, and low alkene-alkyl dibasic acid or low-alkene-alkyl polybasic acid.

Abstract: Charge transport materials are provided, and methods for making the same.

Abstract: A process for storing a monomer phase which is liquid under the conditions of storage and comprises methacrylic monomers to an extent of ?95% by weight and has been obtained by condensation out of a gaseous phase or by melting a crystalline phase, in a storage vessel, in which polymer of the monomer present in dissolved form in the liquid monomer phase is removed therefrom on the route from its generation into the storage vessel, and also a process for withdrawing liquid monomer phase from the storage vessel in which polymer of the monomer present in dissolved form in the monomer phase is likewise removed.

Abstract: The instant invention is an improved low-density ethylenic polymer composition and method of making the same. The polymer composition according to instant invention includes a major component, and a minor component. The major component is an LDPE resin having a melt index (I2) in the range of about 0.01 dg/min to about 100 dg/min, a MW(abs)/MW(GPC) ratio of about 2.6 or less, and a melt strength of less than (14.0 e(?1.05*log 10(MI)))cN Jj16 mmor component is an LDPE resin having a melt index (I2) of less than about 5 dg/min, a molecular weight distribution of greater than about 7, and a MW(abs)/MW(GPC) ratio of at least 2.7. The polymer composition of the instant invention may further include additional components.

Abstract: The present invention provides a method for continuously washing poly(vinyl butyral) in which a poly(vinyl butyral) slurry is passed through multiple continuous stirred tank reactors, each of which is adjusted to specific processing parameters that allow for continuous input, washing, and removal of poly(vinyl butyral). The resulting poly(vinyl butyral) can then be dried to form a powder resin that can be used in place of conventional poly(vinyl butyral) resin. In an alternative embodiment, a counter current screw washing unit is provided that passes wash water over the poly(vinyl butyral) in a direction opposite to the flow of the poly(vinyl butyral), thereby allowing the continuous washing of the poly(vinyl butyral) resin.

Abstract: The present invention relates to a cross-linked polyether which is obtained by polymerization of at least one monomer selected from the group consisting of (a) (?-X-methyl) vinyl-EWG, (?-X-methyl) vinyl-ERG, or (?-X-methyl) vinyl-aryl, where X is oxygen, sulfur, PEG, PPG or poly (THF); (b) a monomer which is polymerizable with a PEG, PPG or poly (THF) cross-linker having at least one (?-X-methyl) vinyl-EWG, (?-X-methyl) vinyl-ERG or (?-X-methyl) vinyl-aryl, where X is oxygen, sulfur, PEG, PPG, or poly (THF); (c) a PEG, PPG, or poly (THF) cross-linker having at least an acrylamide or a methacrylamide end group; and (d) mixtures thereof. Various monomers, resins and methods for preparing such cross-linked polyethers are also disclosed.

Abstract: A sorbent polymer is provided that interacts or reacts with aqueous urea to aid the regeneration of a dialysate liquid. The sorbent polymer may include one or more specific functional groups bonded thereto. Such specific functional groups are selected from carboxylic acids, carboxylic acid esters, carboxylates, amides, dicarboxylic acids, dicarboxylic acid esters, and dicer boxylates to produce the desired urea sorbent.

Abstract: Compositions and methods for transport or release of therapeutic and diagnostic agents or metabolites or other analytes from cells, compartments within cells, or through cell layers or barriers are described. The compositions include a membrane barrier transport enhancing agent and are usually administered in combination with an enhancer and/or exposure to stimuli to effect disruption or altered permeability, transport or release. In a preferred embodiment, the compositions include compounds which disrupt endosomal membranes in response to the low pH in the endosomes but which are relatively inactive toward cell membranes (at physiologic pH, but can become active toward cell membranes if the environment is acidified below ca. pH 6.8), coupled directly or indirectly to a therapeutic or diagnostic agent. Other disruptive agents can also be used, responsive to stimuli and/or enhancers other than pH, such as light, electrical stimuli, electromagnetic stimuli, ultrasound, temperature, or combinations thereof.

Abstract: Oxymethylene copolymers having a high proportion of terminal alkyl ether groups and having terminal hydroxyalkylene groups are described. These polymers are distinguished by high thermal stability and high hot water resistance.

Abstract: The invention is directed to olefin copolymers composed of nonhydrolyzable monomer units and hydrolyzable monomer units, the latter resulting from copolymerization of monomers containing a linkage that is hydrolytically cleavable in the presence of aqueous base or aqueous acid. Generally, the hydrolyzable monomer units represent a significant fraction of the copolymer, such that upon hydrolysis, a substantial portion of the copolymer is degraded into low molecular weight fragments. Also provided are degradable articles that are at least partially composed of a degradable copolymer in which hydrolyzable monomer units represent at least 20 mole % of the copolymer.

Abstract: A process for storing a monomer phase which is liquid under the conditions of storage and comprises methacrylic monomers to an extent of ?95% by weight and has been obtained by condensation out of a gaseous phase or by melting a crystalline phase, in a storage vessel, in which polymer of the monomer present in dissolved form in the liquid monomer phase is removed therefrom on the route from its generation into the storage vessel, and also a process for withdrawing liquid monomer phase from the storage vessel in which polymer of the monomer present in dissolved form in the monomer phase is likewise removed.

Abstract: The present invention provides a method of recycling poly(vinyl butyral) resin and incorporating that poly(vinyl butyral) resin into laminated glass and other articles. Poly(vinyl butyral) resin is recovered from discarded laminated glass through a well defined process, as described herein as the present invention, that includes all or most of the steps of granulation of the laminated glass, solvent extraction of plasticizer and impurities, dissolution of poly(vinyl butyral), pre-filtration of insoluble contaminants, color removal via adsorption or bleaching, post-filtration of carbon particles, precipitation of poly(vinyl butyral), and washing, stabilization, and drying of poly(vinyl butyral) resin.

Abstract: Methods of producing macromolecular compositions and using same are provided. The method includes preparing a resin material; forming an acetyl group on the resin material; and oxidizing the acetyl group via a one-step reaction including reacting a sulfoxide and an acid with the acetyl group to form a ketoaldehyde group. The macromolecular compositions are capable of removing an effective amount of one or more constituents from a physiological solution, such as urea during dialysis therapy.

Abstract: A biochip substrate capable of realizing the high detection accuracy by restricting a nonspecific adsorption or bonding of a substance to be detected, when used for a detection or analysis of protein, nucleic acids and the like. The biochip substrate is for fixing a biologically active substance on a surface of a solid substrate, and characterized in that it has a layer comprising a polymer compound obtained by copolymerizing an ethylenically unsaturated polymerizable monomer having an alkylene glycol residue, an ethylenically unsaturated polymerizable monomer having a functional group for fixing a biologically active substance and an ethylenically unsaturated polymerizable monomer having a cross-linkable functional group, on the surface of the substrate.

Abstract: The invention is directed to olefin copolymers composed of nonhydrolyzable monomer units and hydrolyzable monomer units, the latter resulting from copolymerization of monomers containing a linkage that is hydrolytically cleavable in the presence of aqueous base or aqueous acid. Generally, the hydrolyzable monomer units represent a significant fraction of the copolymer, such that upon hydrolysis, a substantial portion of the copolymer is degraded into low molecular weight fragments. Also provided are degradable articles that are at least partially composed of a degradable copolymer in which hydrolyzable monomer units represent at least 20 mole % of the copolymer.

Abstract: The invention relates to polyvinyl alcohols and polyvinyl acetals which contain silane and can be obtained by means of a) radical polymerization of at least one vinyl ester of unbranched or branched alkyl carboxylic acids comprising between 1 and 18 C atoms, in the presence of aldehydes containing silane or the hemiacetals or full acetals thereof, b) saponification of the vinyl ester polymers obtained thereby, and optionally c) acetalation of the partially saponified or fully saponified vinyl ester polymers.

Abstract: Fibrous structures and/or sanitary tissue products comprising such fibrous structures, more particularly to fibrous structures and/or sanitary tissue products that exhibit improved wet strength properties, especially temporary wet strength properties, as compared to fibrous structures and/or sanitary tissue products that contain conventional wet strength additives.

Abstract: A method of preparing a dispersion which includes the step of contacting a first phase, a first material immiscible therewith, a first polymeric material and a second polymeric material wherein: (a) (i) said first polymeric material has a repeat unit of the formula (I), wherein A and B are the same or different, are selected from optionally-substituted aromatic and thereoaromatic groups and at least one comprises a relatively polar atom or group and R1 and R2 independently comprise relatively non-polar atoms or groups; (ii) said first polymeric material is prepared or preparable by providing a compound of general formula (I), wherein A, B, R1 and R2 are as described above, in an aqueous solvent and causing the groups C?C in said compound to react with one another to form said first polymeric material; (b) said second polymeric material includes a functional group which is able to react with said first polymeric material so that covalent bonds are formed between said first and second polymeric materials; (c) t

Abstract: Adhesive compositions are disclosed which include acrylates, their polymers, and free radical initiators. The compositions include a multi-functional alpha-alkoxyalkyl (meth)acrylate compound and a free radical initiator. The multi-functional alpha-alkoxyalkyl (meth)acrylate compound is the reaction product of: (a) a (meth)acrylic acid or a (meth)acrylate ester having a free carboxylic acid group; and (b) a compound including two or more 1-alkenyl ether groups and free of acetal and ketal groups, or a compound free of acetal and ketal groups and including one or more 1-alkenyl ether groups and a (meth)acrylate group. The compositions are easier and less expensive to prepare than conventional acrylate compositions and degrade when contacted with an acid medium or when heated. The compositions are useful in a wide range of applications and are compatible with conventional adhesive additives.

Abstract: The present invention relates to an emulsion type modifier for improving properties of the pressure-sensitive emulsion acrylic adhesives. The emulsion type modifier comprises: (a) 15 to 35 parts per hundred of monomers of a diester of a dicarboxylic acid; (b) 15 to 35 parts per hundred of monomers of vinyl esters; (c) 35 to 65 parts per hundred of monomers of alkyl acrylates; based on the total weight of (a)+(b)+(c), and (d) 0.1 to 2.0 parts per hundred of an acetoacetoxy functional monomer; (e) 0.1 to 2.0 parts per hundred of a nonionic surfactant; and (f) 0.4 to 3.0 parts per hundred of an anionic surfactant. By adding the emulsion type modifier of the present invention, the steel adhesion, polyethylene (PE) adhesion, the loop tack and the holding power of the pressure-sensitive emulsion acrylic adhesives can be improved.

Abstract: The invention is directed to olefin copolymers composed of nonhydrolyzable monomer units and hydrolyzable monomer units, the latter resulting from copolymerization of monomers containing a linkage that is hydrolytically cleavable in the presence of aqueous base or aqueous acid. Generally, the hydrolyzable monomer units represent a significant fraction of the copolymer, such that upon hydrolysis, a substantial portion of the copolymer is degraded into low molecular weight fragments. Also provided are degradable articles that are at least partially composed of a degradable copolymer in which hydrolyzable monomer units represent at least 20 mole % of the copolymer.

Abstract: A method for the preparation of polymers derived from acrolein and including poly(2-propenal, 2-propenoic acid), characterised in that the polymers are exposed to the presence of water, whereby such polymers exhibit increased antimicrobial activity. The polymers may be heated in the range of 40 to 150° C. Further, the polymers may be prepared in the presence of polyethylene glycols, polyols and/or alkanols.

Abstract: This invention relates to latex polymers and blends of such latex polymers used to produce articles having superior electrostatic dissipative properties. The polymers and blends comprise one or more (1) polymers, in latex, or dispersion form, of (a) at least one reactive macromer of at least one alkylene oxide having at least one functional group capable of free-radical transformation, (b) optionally, at least one ethylenically unsaturated monomer having at least one carboxylic acid group, and (c) optionally, one or more free radically polymerizable comonomers, and (2) one or more other polymer latexes or dispersions of such polymers as natural rubber, conjugated-diene-containing polymers, hydrogenated styrene-butadiene triblock copolymers, chlorosulfonated polyethylenes, ethylene copolymers, acrylic and/or methacrylic ester copolymers, vinyl chloride copolymers, vinylidene chloride copolymers, polyisobutylenes, polyurethanes, polyureas, and poly-urethane-urea)s.

Abstract: Disclosed is an organic anti-reflective film composition suitable for use in submicrolithography, comprising a compound of Formula 13 and a compound of Formula 14. The organic anti-reflective film effectively absorbs the light penetrating through the photoresist film coated on top of the anti-reflective film, thereby greatly reducing the standing wave effect. Use of organic anti-reflective films of the present invention allows patterns to be formed in a well-defined, ultrafine configuration, providing a great contribution to the high integration of semiconductor devices. wherein b, c, R′, R″, R1, R2, R3, and R4 are those defined herein.

Abstract: Polyvinylacetal-grafted polymers in the form of their aqueous dispersions or water-redispersible powders, and based on emulsion or suspension polymerized base polymers of one or more monomers from the group consisting of vinyl esters, (meth)acrylates, vinylaromatics, olefins, 1,3-dienes and vinyl halides, and optionally, further monomers copolymerizable therewith, the base polymers grafted with polyvinylacetals having from 0 to 5.0 mol % of vinyl acetate units, from 75 to 95 mol % of vinyl alcohol units and from 0.1 to 20 mol % of acetal units which are derived from aldehydes having 3 to 7 C atoms, are useful as additives in construction compositions, as binders, and as adhesives, and may be dried to form readily water-redispersible polymer powders.

Abstract: There is described a method of preparing a first polymeric compound which comprises a providing a compound of general formula (I) or a salt thereof where A and B are the same or different and at least one comprises a relatively polar atom or group and R1 and R2 independently comprise relatively non-polar atoms or groups, in a solvent of a type in which ethene itself is generally insoluble and causing the groups C═C in said compound to react with one another to form a polymeric structure. The first polymeric compound may be reacted with a second compound, for example polyvinylalcohol, collagen or the like to produce a colloid or gel which may have applications in the treatment or bums or recovery of oils.

Abstract: A method of preparing a first polymeric compound which comprises providing a compound of the general formula AR1C═CR2B or a salt thereof where A and B are the same or different and at least on group comprises a relatively polar atom or group and R1 and R2 independently comprise relatively non-polar atoms or groups, in a solvent of a type in which ethane itself is greatly insoluble and spacing the C═C groups in said compound to react with one another to form a polymeric structure. The first polymeric compound may be reacted with a second compound, for example polyvinylalcohol, collagen, or the like to produce a colloid or gel which may have applications in the treatment of burns or recovery of oils.

Abstract: Polymer for antifouling coatings which comprises units corresponding to the following monomers: A) 5 to 100 mol. % of one or more compounds of general formula (I) in which R=H or CH3; X=O or S; R1=Ph(R2)m, —C(H)3−(p+q)(CO—R)3p(COOR3)q, —(CH2)n−(CO)t—COOR3 or optionally substituted thiadiazolyl and thiazolylsulfamyl groups; Ph=phenyl; m=1-3; p=0-3; q=0-3; p+q=1-3; s=0 or 1; t=0 or 1; R2=each independently selected from halogen, —C(O)H, —COOR3, —CH2—COOR3, —O—R3 , —NH COOR3, —NH—CO—R3 and —NH2; R3=II or optionally halogen substituted alkyl, aryl, cycloalkyl, aralkyl groups with 1-10 C atoms; and B) 0 to 95 mol. % of one or more other ethylenically unsaturated compound.

Abstract: A process for polymerizing monomers in the gas phase, in fluidized bed reactors is described, where unsaturated, gas phase monomers are fed into the reactors in the presence of a mixture of inert diluents having a composition that allows the dew point to be adjusted, this leading to high production rates under stable operation in a non condensed operation mode.

Abstract: The present invention provides an organic anti-reflective film composition suitable for use in submicrolithography. The composition comprises a compound of chemical formula 11 and a compound of chemical formula 12. The organic anti-reflective film effectively absorbs the light penetrating through the photoresist film coated on top of the anti-reflective film, thereby greatly reducing the standing wave effect. Use of organic anti-reflective films of the present invention allows patterns to be formed in a well-defined, ultrafine configuration, providing a great contribution to the high integration of semiconductor devices. wherein a, b, c, R′, R″, R1, R2, R3, and R4 are those defined herein.

Abstract: A synergistic biocidal composition comprising a mixture of 2-propenal polymer (APC) and 5-chloro-2-methyl-4-isothiazoline-3-one (CIT) and 2-methyl-4-isothiazoline-3-one (MIT).

Abstract: The present invention provides a polymer that can be used as an anti-refelctive coating (ARC) polymer, an ARC composition comprising the same, methods for producing the same, and methods for using the same. The polymer of the present invention is particularly useful in a submicrolithographic process, for example, using KrF (248 nm), ArF (193 nm), or F2 (157 nm) laser as a light source. The polymer of the present invention comprises a chromophore that is capable of absorbing light at the wavelengths used in a submicrolithographic process. Thus, the ARC of the present invention significantly reduces or prevents back reflection of light and the problem of the CD alteration caused by the diffracted and/or reflected light. The ARC of the present invention also significantly reduces or eliminates the standing wave effect and reflective notching.

Abstract: A radiation absorbing polymer having chemically bonded thereto a radiation absorbing dye, which has high absorption at a predetermined wavelength radiation, which shows good adhesion to a substrate and good thin film-forming, which has no dependence upon resists, which is soluble in a solvent for photoresists but becomes insoluble after being baked; a composition for radiation absorbing coating containing this polymer, and a radiation absorbing coating such as an anti-reflective coating formed from this composition are disclosed. The radiation absorbing polymer comprises a copolymer containing at least both a recurring unit composed of a monomer containing a keto group and a divalent group (preferably a methylene group) in its side chain and a recurring unit composed of a monomer containing an organic chromophore bonded directly or through a linkage group to the main chain. This radiation absorbing polymer is dissolved in a solvent such as alcohol, aromatic hydrocarbon, ketone, ester, etc.

Abstract: In a process for stabilizing chemical compounds having at least one ethylenically unsaturated bond to undesired free radical polymerization, a nitroxyl radical and a chemical compound containing phosphorus in chemically bonded form are added to the unsaturated compound present as pure substance or as a component of a mixture.

Abstract: Disclosed is a solution that comprises (A) a solvent; (B) about 0.001 to about 20 wt % of a terpolymer that comprises the condensation reaction product of (1) an aromatic compound that contains a benzene or naphthalene ring substituted with the group OR or SR, where R is hydrogen, alkyl from C1 to C15, or aryl, alkaryl, or aralkyl from C6 to C15; (2) about 0.1 to about 10 moles of a carbonyl compound per mole of said aromatic compound; and (3) about 0.1 to about 10 moles of a thiourea per mole of said aromatic compound (C) about 1 to about 5 wt % of a base; (D) about 0.1 wt % to saturation of a salt; and (E) 0 to about 20 wt % of an alcohol. Also disclosed is a method of making the terpolymer in the absence of an acid catalyst and a method of inhibiting the formation of scale on reactor components in contact with polymerizing vinyl chloride monomer.