Provided is a process of making a polyphenylene oxide prepolymer, comprising a step of reacting a reactive cycloolefin and a vinyl-containing polyphenylene oxide in the presence of a ruthenium catalyst. The reactive cycloolefin may be selected from dicyclopentadiene monomer, dicyclopentadiene oligomer, dicyclopentadiene polymer, norbornene monomer, norbornene oligomer, norbornene polymer, and a combination thereof; the vinyl-containing polyphenylene oxide may be selected from divinylbenzyl polyphenylene oxide resin, vinylbenzyl-modified polyphenylene oxide resin, methacrylic polyphenylene oxide resin, and a combination thereof; the ruthenium catalyst may be a Grubbs catalyst. Also provided are a polyphenylene oxide prepolymer made by the process, a resin composition containing the polyphenylene oxide prepolymer, and a product made from the resin composition.

An object of the present invention is to provide an ultraviolet curing liquid composition having high sensitivity, excellent storage stability, low viscosity, and excellent fixability after ultraviolet curing. The ultraviolet curable liquid composition of the present invention is an ultraviolet curable liquid composition containing a cationically polymerizable liquid monomer, a photopolymerization initiator and a photopolymerization sensitizer, wherein the cationically polymerizable liquid monomer is a vinyl ether compound, the photopolymerization initiator includes a compound represented by general formula (1), and the photopolymerization sensitizer includes (A) at least one compound selected from the group consisting of a compound represented by general formula (2) and a compound represented by general formula (3), and (B) at least one compound selected from the group consisting of a compound represented by general formula (4) and a compound represented by general formula (5).

The present invention relates to a detergent or cleaning composition, preferably a liquid laundry detergent composition, comprising a sulfonate group-containing copolymer, which is useful in improving anti-soil redeposition in high water hardness conditions and whiteness maintenance benefit of such detergent or cleaning composition. Processes for making and methods of using the detergent or cleaning composition are also encompassed by the present invention.

The present invention relates to a detergent or cleaning composition, preferably a liquid laundry detergent composition, comprising a sulfonate group-containing copolymer, which is useful in improving anti-soil redeposition in high water hardness conditions and whiteness maintenance benefit of such detergent or cleaning composition. Processes for making and methods of using the detergent or cleaning composition are also encompassed by the present invention.

The present invention relates to a detergent or cleaning composition, preferably a liquid laundry detergent composition, comprising a sulfonate group-containing copolymer, which is useful in improving anti-soil redeposition in high water hardness conditions and whiteness maintenance benefit of such detergent or cleaning composition. Processes for making and methods of using the detergent or cleaning composition are also encompassed by the present invention.

Disclosed herein are isotactic polyvinyl ethers and improved methods of making same. The method disclosed herein can produce polyvinyl ethers having a higher isotacticity as compared to polyvinyl ethers prepared with conventional methods.

An ultraviolet-curable liquid developer contains a cationically polymerizable liquid monomer, a photoinitiator, and a toner particle insoluble in the cationically polymerizable liquid monomer. The cationically polymerizable liquid monomer is a vinyl ether compound, and the photoinitiator is a compound having a particular structure.

Compositions are described comprising at least 20 wt. % of block copolymer comprising polyvinyl aromatic end blocks and a polyisoprene midblock and at least one ethylenically unsaturated monomer comprising one or more groups selected from (meth)acryl or vinyl ether. In one embodiment, the monomer has a Log P according to Moriguchi's method of at least 2.2. In another embodiment, the monomer is a multifunctional aromatic ethylenically unsaturated monomer. The composition is typically a (e.g. pressure sensitive) adhesive. Also described are methods of making an article, adhesive articles, and methods of bonding.

Compositions are described comprising at least 20 wt. % of block copolymer comprising polyvinyl aromatic end blocks and a polyisoprene midblock and at least one ethylenically unsaturated monomer comprising one or more groups selected from (meth)acryl or vinyl ether. In one embodiment, the monomer has a Log P according to Moriguchi's method of at least 2.2. In another embodiment, the monomer is a multifunctional aromatic ethylenically unsaturated monomer. The composition is typically a (e.g. pressure sensitive) adhesive. Also described are methods of making an article, adhesive articles, and methods of bonding.

The present invention relates to a compound of formula (I) below: ##STR00001##
in which: R.sub.1 represents, in particular, an alkylene group comprising from 1 to 6 carbon atoms; R.sub.2 and R.sub.3 are, in particular, H; n is 0, 1, 2 or 3; and R.sub.4 is chosen from the group consisting of: NO.sub.2, OR.sub.a, SR.sub.a and NR.sub.aR.sub.b, wherein R.sub.a and R.sub.b are as defined above; R.sub.5 and R.sub.6, identical or different, represent an alkyl or alkoxy group comprising from 1 to 6 carbon atoms; and R.sub.7, R.sub.8 and R.sub.9, identical or different, represent an alkyl group comprising from 2 to 6 carbon atoms.