Abstract: In one embodiment the invention relates to a method of preparing a polyrotaxane, said method comprising: performing a radical copolymerization of at least (a) a first polymerizable monomer having a stopper group, and of at least (b) a second polymerizable hydrophobic monomer, wherein said second monomer is complexed by a ring-shaped molecule, and of at least (c) a third polymerizable hydrophilic monomer; wherein during said copolymerization a copolymer threading said ring-shaped molecule is formed, wherein during said copolymerization said first monomer having a stopper group is incorporated into the chain of said copolymer at least partially between the ends thereof, and wherein said stopper groups prevent said ring-shaped molecule from disassembling from the copolymer; and wherein the amount of said first monomer having a stopper group is of from 0.1 mol % to 20 mol % based on 100 mol % of the total amount of polymerizable monomers.

Abstract: The present invention relates to improved curable binder compositions comprising cellulose hydrolysate sugars and an inorganic ammonia salt, products making use thereof and a process for making such products. The invention binders show improved bond strength under dry and wet conditions.

Abstract: A tire having a tread comprising at least two radially superposed portions which comprise a radially external portion intended to come into contact with ground during rolling, the radially external portion being made of a first rubber composition, and a radially internal portion made of a second rubber composition; wherein the first rubber composition is based on at least an elastomer matrix; and a reinforcing filler comprising between 40 and 200 phr of a reinforcing inorganic filler; wherein the second rubber composition is based on at least: an elastomer matrix comprising 20 to 70 phr of a first diene elastomer bearing at least one SiOR function, R being a hydrogen atom or a hydrocarbon radical, 20 to 70 phr of a second diene elastomer which is polyisoprene, and comprising no third diene elastomer or at most 20 phr; a reinforcing filler comprising a reinforcing inorganic filler.

Abstract: The present invention relates to a dental composition which is a resin modified dental cement composition, comprising a radically polymerizable compound and a redox initiator system comprising one or more clathrate compounds comprising a host molecule and one or more guest molecules, wherein the guest molecule is an oxidising agent selected from organic peroxides and organic hydroperoxides. Furthermore, the present invention relates to a use of the redox initiator system in a dental composition which is a resin modified dental cement composition.

Abstract: The present invention relates to [1] a water-based ink for ink-jet printing which can be prevented from suffering from increased viscosity and flocculation of the ink upon storage thereof even when used in the form of a system containing a large amount of a solvent, said water-based ink for ink-jet printing containing crosslinked polymer particles containing a pigment having an indanthrone skeleton, an organic solvent and water, in which a crosslinking rate of the crosslinked polymer is not less than 10 mol % and not more than 90 mol %, and a content of the organic solvent in the water-based ink is not less than 30% by mass and not more than 65% by mass, and [2] an ink-jet printing method including the steps of loading the water-based ink as described in the above [1] to an ink-jet printing apparatus, and ejecting the water-based ink in the form of droplets of the ink onto a printing medium to form characters or images on the printing medium.

Abstract: A rubber composition based on at least: from 50 to 100 phr of one or more diene elastomers, referred to as very low glass transition temperature (Tg) diene elastomers, having a Tg within a range of from ?110° C. to ?70° C., selected from butadiene homopolymers, copolymers of butadiene and of a vinylaromatic monomer, having a content of vinylaromatic units of between 0 and 5% by weight, and mixtures thereof a reinforcing filler a crosslinking system; and from 40 to 150 phr of at least one hydrogenated hydrocarbon resin predominantly composed of units derived from C9 monomers, the resin having a content of aromatic protons of less than 25% and a content of ethylenic protons of less than 1%.

Abstract: The present invention relates to coatings for devices such as medical devices that are useful for coating a variety of different types of material surfaces, including polymer and metal surfaces. The present invention also includes the method of using the coated device and methods to make the coated device and coating.

Abstract: The present invention is directed to a pneumatic tire having a tread comprising a vulcanizable rubber composition comprising, based on 100 parts by weight of elastomer (phr), (A) from about 20 to about 100 phr of a solution polymerized styrene-butadiene rubber having a glass transition temperature (Tg) ranging from ?85° C. to ?50° C.; (B) from 0 to about 40 phr of a natural rubber or synthetic polyisoprene; (C) from 0 to about 30 phr of cis-1,4 polybutadiene having a Tg of from ?110° C. to ?90° C.; (D) from 0 to 50 phr of a process oil; (E) from 20 to 80 phr of a hydrocarbon resin having a Tg of at least 30° C.; and (F) from 90 to 150 phr of silica.

Abstract: A dental adhesive composition, having a solvent which is an azeotrope of methyl ethyl ketone with water. Optionally, the azeotropic solvent may comprise in addition, ethanol or isopropanol. The boiling point of the solvent is less than 75° C.

Abstract: Disclosed herein are curable glass ionomer compositions that include a first paste and a second paste, and methods for using the disclosed compositions. The first paste includes water, a polyacid, and a non acid-reactive filler. The second paste includes water and an acid-reactive filler. At least one of the first paste and the second paste further includes substantially crystalline inorganic fibers. In some embodiments, the water content of the first paste and the second paste of the paste/paste GI composition disclosed herein is less than 20% by weight, based on the total weight of the composition.

Abstract: An object of the present disclosure is to provide a dental composition that can exhibit sufficient curability even in a state where moisture is excessive as in the oral environment. The dental composition of the present disclosure contains component (a): monomer containing (meth)acrylamide group represented by formula (1): (In formula, R represents a hydrogen atom or a methyl group and Rs may be the same or different from each other. R2 is an alkyl group having 2 to 6 carbon atoms and R2s may be the same or different from each other.

Abstract: Disclosed herein is a coupled polymer product comprising polymer with up to four polymer chains bonded to a functionalizing compound of formula II, wherein the polymer chains are comprised of conjugated diene-containing monomers optionally in combination with vinyl aromatic monomers and further include vinyl group-functionalized silane compound of formula I bonded within the polymer chain. Also disclosed are processes for producing the coupled polymer product as well as a rubber composition containing the coupled polymer product and tire components comprising the rubber composition.

Abstract: The present specification discloses porogen compositions comprising a core material and shell material, methods of making such porogen compositions, methods of forming such porous materials using such porogen compositions, biocompatible implantable devices comprising such porous materials, and methods of making such biocompatible implantable devices.

Abstract: The present application describes fib-reinforced dental composites (FRCs), processes for producing and uses of, the fibre-reinforced dental composites. More particularly, the fibre-reinforced dental 5 composites described herein comprise a polymerisable resin and from about 0.5% to about 25% w/w of fibres having a diameter of from about 3 ?m to about 9 ?m and a length of from about 60 ?m to about 2 mm.

Abstract: A molded contact lens comprising a stiffer optic zone relative to the peripheral zone of the contact lens provides an optical element for correcting astigmatism without the need for or substantially minimizing the need for the correction of rotational misalignment. The higher elastic modulus optic zone vaults over the cornea thereby allowing a tear lens to form. The tear lens follows or assumes the shape of the back surface of the contact lens. The combination of the tear lens and the optical zone provide an optical element for correction of refractive error.

Abstract: Described herein are polymers and associated methods to occlude structures and malformations of the vasculature with polymers with delayed controlled rates of expansion. Methods of forming such devices are also disclosed.

Abstract: An article may include a material having a surface containing at least one zinc oxide and/or salt, and at least one antioxidant. A method of using a mixture including at least one zinc oxide and/or salt, and at least one antioxidant, as bacteriostatic agent may include: applying the mixture to a surface of an article.

Abstract: Polyurethane composites comprising non-silane treated glass fibers and methods of manufacturing are described herein. The polyurethane composites can include (a) a polyurethane formed by the reaction of (i) one or more isocyanates selected from the group consisting of diisocyanates, polyisocyanates, and mixtures thereof, and (ii) one or more polyols; (b) a filler; and (c) non-silane treated glass fibers. In some instances, none of the glass fibers in the polyurethane composites are silane treated. The polyurethane composites comprising the non-silane treated glass fibers can have a flexural strength that is greater than the flexural strength of an identical composition wherein the non-silane treated glass fibers are replaced with silane-treated glass fibers. Articles comprising the polyurethane composites are also disclosed herein.

Abstract: A method for preparing a bio-based composite using palm biomass powder as raw material, which belongs to the technical field of preparation methods for bio-based composites. During palm micropowder washing, 100 parts by weight of 600-1,200 mesh palm micropowder is placed in a reactor, and 400-500 parts by weight of acetone is added to the reactor in a 1:4 or 1:5 bath ratio; during surface treatment of palm micropowder, the reaction system after solvent displacement is heated to 80-100° C., and distillate is dehydrated with a 3A molecular sieve and then refluxed to a reactor; bio-based resin is compounded and extruded. At least one embodiment of the present invention solves the problem that use of palm as a biomass raw material leads to impurity migration and insufficient product performance due to high small oily molecule content.

Abstract: A rubber composition is based on at least an elastomer, a reinforcing filler and a crosslinking system and a crumb rubber, said crumb having a particle size distribution such that it comprises less than 35% by weight of particles having a size of less than 50 ?m and less than 30% by weight of particles having a size of greater than 200 ?m.