Abstract: A one-component air-activatable polymerisable adhesive composition comprising:(a) a free-radically polymerisable monomer, and an activator system for effective polymerisation of the free-radically polymerisable monomer, said activator system comprising:(b) an autoxidisable compound which is a dihydropyridine (other than a stabilised 1,4-dihydropyridine)(c) a tetrazo le having the formula III ##STR1## wherein R.sup.8 is selected from hydrogen and hydrocarbyl groups, and (d) a soluble ionic salt,with the proviso that the composition does not contain a peroxide, or a peroxide precursor which produces peroxide in the absence of air or any ingredient which is a significant source of radicals in the absence of air, the composition having been prepared under anaerobic conditions and stored under anaerobic conditions.

Abstract: A process for manufacturing a polymer composed of an alkyl substituted poly(2,2'-bipyridine-5,5'-diyl) having a chemical formula which is at least one of: ##STR1## wherein R and R' are H or an alkyl group having not less than 1 carbon atom, except that at least one of R and R' is an alkyl group having not less than 3 carbons, `n` is a degree of polymerization and is not less than 10, the process including:providing at least one alkyl substituted 5,5'-dihalogenated-2,2'-bipyridine having alkyl substituents in the 3-, 4- or 6-position of two pyridinediyl groups; and polymerizing the at least one alkyl substituted 5,5'-dihalogeanted-2,2'-bipyridine by adding an effective amount thereto of at least one substance which is effective to remove halogens therefrom, which at least one substance is selected from the group consisting of (a) at least one metal which is capable of dehalogenating the alkyl substituted 5,5'-dihalogenated-2,2'-bipyridine and (b) at least one compound containing at least one metal which is cap

Abstract: A polymer scale deposition preventive agent for use in polymerization of a monomer having an ethylenically unsaturated double bond, comprising an alkaline solution containing a condensation product of (A) an anthraquinone compound having at least two amino groups and (B) at least one compound selected from the group consisting of benzoquinone compounds and naphthoquinone compounds. When the monomer is polymerized in a polymerization vessel having a coating formed by applying the aforementioned preventive agent to inner wall surfaces followed by drying, polymer scale can be effectively prevented from being deposited not only on the areas located in the liquid-phase region but also on the areas around the interface between the gas and liquid phases in the polymerization vessel. When an obtained polymer is formed into a sheet or the like, it is possible to obtain a formed product having few fish eyes and low initial coloration.

Abstract: Thermally stabilized initiator compositions comprising:(a) at least one dialkyl peroxydicarbonate, and(b) a stabilizing effective amount of a compound of Structure I: ##STR1## wherein R.sub.1, R.sub.2 and Z are as defined in the summary of the invention section, processes for their preparation and use are disclosed.

Abstract: Novel polymerizable yellow dyes are disclosed. Additionally, novel and known dyes are used to block or lower the intensity of blue light transmitted through ocular lenses and other windows.

Abstract: Thermally stabilized initiator compositions comprising:(a) at least one dialkyl peroxydicarbonate, and(b) a stabilizing effective amount of a compound of Structure I: ##STR1## wherein R.sub.1, R.sub.2 and Z are as defined in the summary of the invention section, processes for their preparation and use are disclosed.

Abstract: Resin compositions having excellent heat resistance, izod impact strength, rigidity and dimensional resistance and the like, applied in the fields of the automobile, electric and electronic, and the like industries. The resin composition comprising: a) a resin in which 30 to 98 mole % of the component (I) are contained in the whole polymer and 70 to 2 mole % of the component (II) are contained in the whole polymer, its weight-average molecular weight converted into that of polystyrene being 1.times.10.sup.3 or more to 5.times.10.sup.6 or less, and b) an olefin resin; then the a)/b) content being 5/95 to 99/1 as a weight ratio, ##STR1## wherein R.sub.1 is an alkyl group having 1 to 18 carbon atom(s) or a cycloalkyl group having 3 to 12 carbon atoms; and ##STR2## wherein R.sub.2 is hydrogen or an alkyl group having 1 to 8 carbon atom(s), and R.sub.3 and R.sub.4 is an alkyl group having 1 to 8 carbon atoms.

Abstract: Suspension-polymerized, crosslinked copolymers of methacrylic anhydride yield beads suitable as precursors for weak-acid and other ion exchange resins, affinity chromatography materials and other materials which require spherical polymers having reactive anhydride groups for their preparation. Both gel and macroporous beads of these copolymers may be made by the process of the invention.

Abstract: This invention relates to novel peroxide blends which are liquid at 25.degree. C. and lower, their method of preparation and their use in curing peroxide crosslinkable polymers.The blend is a mixture of the meta isomers or the meta and para isomers of the compounds of Formulae I, II and III and optionally Formula IV (all as defined herein) in such proportions that the composition provides a liquid mixture at 25.degree. C. or below which has a high crosslinking efficiency for polymeric materials.

Abstract: The invention is concerned with linear and cyclic polymers or oligomers having a photoreactive ethene group. The polymers are of the formula ##STR1## wherein M.sub.a, M.sub.b, M.sub.c are monomer units for homo- or copolymers;x, y, z are mole fractions of the copolymers, whereby in each case 0<x.ltoreq.1; 0.ltoreq.y.ltoreq.1 and 0.ltoreq.z<1;S.sub.a, S.sub.b are spacer units;Z.sub.a, Z.sub.b are molecule units which can undergo photochemical isomerization/dimerization;n is a magnitude of 4-100 000 andm is 0 or 1,The compounds are used as an orientating layer for liquid crystals.

Abstract: An optical material, comprising a resin composed of a polymer constituted of a first structural unit composed of at least one of the compounds represented by the formula (I), and of a second structural unit composed of at least one of the compounds represented by the formula (II), and having a weight-average molecular weight of from 1.times.10.sup.3 to 5.times.10.sup.6 : ##STR1## where R.sub.1 denotes an alkyl group having 1 to 18 carbons or a cycloalkyl group having 3 to 8 carbons; ##STR2## where R.sub.2 denotes hydrogen or an alkyl group having 1 to 8 carbons, and R.sub.3 and R.sub.4 denote respectively an alkyl group having 1 to 8 carbons. The optical material is superior in transparency, heat resistance, surface hardness, mechanical strength, and other properties.

Abstract: Disclosed are novel polyether compounds obtained by the reaction or polymerization of 3,4-epoxy-1-butene in the presence of tetrahydrofuran, an acidic catalyst and a nucleophilic initiator compound. The polyether compounds comprise m units of residue (1), n units of residue (2), and p units of residue (3) wherein (i) residues (1), (2) and (3) have the structures: ##STR1## (ii) the total value of m+n+p is 5 to 70; (iii) the value of n/(m+n+p) is in the range of 0.2 to 0.4, i.e.

Abstract: A coating composition including a polyether resin and comprising a major amount of resin and a minor amount of a property-improving additive,said resin being:(A) a fluorocarbon resin selected from the group consisting of (1) perfluoroalkoxy tetrafluoroethylene copolymer resin (PFA), (2) ethylenechlorotrifluoroethylene copolymer resin (E-CTFE), (3) ethylenetetrafluoroethylene copolymer resin (E-TFE), (4) poly(vinylidine fluoride) resin (PVDF), (5) tetrafluoroethylene-hexafluoropropylene copolymer resin (FEP), (6) poly(chlorotrifluoroethylene) resin (CTFE), or a mixture of two or more of said fluorocarbon resins; and/or(B) a polyether resin selected from the group consisting of (7) polyethersulfone resin (PES), (8) polyether ketone resin (PEK) and (9) polyether ether ketone resin (PEEK) or a mixture or two or more of said polyether resins;said additive being:(C) a poly(phenylene sulfide) (PPS); or(D) an inorganic crystalline ceramic powder and/or fluorocarbon resin when said resin is a polyether of (B) above; o

Abstract: Polymeric materials comprising novel wetting agents such as 2-isopropenyl-4,4-dimethyl-2-oxazolin-5-one, 2-vinyl-4,4-dimethyl-2-oxazolin-5-one, and the like.

Abstract: The invention relates to a process for the preparation of a polymer from heterocyclic monomer units. The process according to the invention is characterized in that polymerization takes place in the presence of a sulphur-containing reagent.It has been found that the process according to the invention can be used to prepare polymers that can readily be processed, either in solution or in the melt. It has further been found that the reaction time of the reaction that takes place is short, while also the efficiency of the reaction is good. In the process according to the invention use can be made of monomer units that are thermostable. Such monomer units are easy to synthesize and easy to keep.

Abstract: Copolymers which are self-curable with atmospheric humidity and are based on acrylic, methacrylic and/or vinyl esters which have been prepared using silicon-containing regulators, and mixtures of such polymers with crosslinkers, are suitable as adhesive, sealing and coating compositions which are self-curable with atmospheric humidity.

Abstract: The invention relates to a dendritic macromolecule comprising a core and branches emanating from the core wherein the branches are based on vinyl cyanide and/or fumaryl dinatrile units. The invention also relates to processes for preparing these dendritic macromolecules. The dendritic macromolecules according to the invention are not sensitive to degradation through hydrolysis reactions and are also very stable at a high temperature. The processes are very suitable for large scale production of the dendritic macromolecules without requiring purification of reaction intermediates.

Abstract: Novel polymerizable yellow dyes are disclosed. Additionally, novel and known dyes are used to block or lower the intensity of blue light transmitted through ocular lenses and other windows.

Abstract: A homogeneous polymerization process is described for making substantially homogeneous terpolymers of, by weight, 55-99%, preferably 65-95% of vinyl pyrrolidone; 0.5-49%, preferably 1-25% of a quaternary amino monomer, preferably 3-methacrylamidopropyl trimethylammonium chloride; and 0.5-49%, preferably 1-25%, of a hydrophobic monomer, preferably octadecyl methacrylate. The homogeneous terpolymer provides dual hair styling and conditioning functions in hair care applications.

Abstract: Weakly basic ethylenically unsaturated polymerizable monomers and polymers have been prepared. The monomers are represented by the structure (I): ##STR1## wherein R is hydrogen or methyl, and R.sup.1 is alkylene of 1 to 3 carbon atoms. The resulting polymers are water-soluble and cationic at acidic pH, but water-insoluble and neutral in charge at basic pH. The polymers are useful for precipitating nucleic acids.