The present disclosure is directed to improved poly(arylene ether ketone) powders for use in laser sintering, powder coating, compression molding, or transfer molding.

The present invention provides a composition having two separate, reactive components that when mixed together form a reactive mixture that undergoes curing or hardening, said two-component sealant and/or adhesive composition comprising: i) in a first component, at least one compound (VCC) having two or more exo-vinylene cyclic carbonate units, wherein said exo-vinylene cyclic carbonate units are bonded to one another by means of at least one organic, siloxane-free linking group, wherein said linking group is not directly bonded to the exo-vinylene double bonds and linking groups formed by polymerization of (meth)acrylic monomers are excluded; and, ii) in a second component, at least one multifunctional hardener that has at least two functional groups (F) selected from the group consisting of primary amino groups, secondary amino groups, hydroxy groups, phosphine groups, phosphonate groups, and mercaptan groups,
wherein the compound (VCC) of said first component is characterized in that it has at least one acetal group in the linking group in the case that the compound has exactly two exo-vinylene cyclic carbonate units,

1,3-Dioxolane copolymers and methods of producing the same. Where the 1,3-Dioxolane copolymers have a general formula I

##STR00001##

1,3-Dioxolane copolymers and methods of producing the same. Where the 1,3-Dioxolane copolymers have a general formula I

##STR00001##

An expansion polymerization imprinting glue for nano-imprinting. Raw materials required for the preparation of the expansion polymerization imprinting glue comprise a low polymer and an expansion monomer. Compared with the prior art, after the expansion monomer is introduced into the expansion polymerization imprinting glue for nano-imprinting, the expansion monomer can be polymerized with the low polymer, the volume change of the imprinting glue after polymerization can be adjusted, and accordingly the volume shrinkage after the imprinting glue is cured is reduced or even eliminated; and the imprinting glue having zero curing shrinkage or volume expansion can be obtained by adjusting the content of the expansion monomer. The imprinting glue can effectively reduce the residual stress in a micro-nano pattern, and the generation of pattern defects in the nano-imprinting demolding process caused by the residual stress is reduced while accurate pattern copying is implemented.

Some embodiments of the present disclosure relate to a method comprising obtaining a mixture comprising at least one vinyl polymer, at least one organic acid, and at least one hydronium ion donor. In some embodiments, the method comprises reacting an OH group of the B polymer chain segment with the at least one organic acid in the presence of the at least one hydronium ion donor, so as to form at least one polyvinyl ester. Some embodiments of the present disclosure relate to a roofing material comprising at least one reinforcement material and at least one polyvinyl ester.

Some embodiments of the present disclosure relate to a method comprising obtaining a mixture comprising at least one vinyl polymer, at least one organic acid, and at least one hydronium ion donor. In some embodiments, the method comprises reacting an OH group of the B polymer chain segment with the at least one organic acid in the presence of the at least one hydronium ion donor, so as to form at least one polyvinyl ester. Some embodiments of the present disclosure relate to a roofing material comprising at least one reinforcement material and at least one polyvinyl ester.

A functionalized ketone-aldehyde condensation resin is produced by condensing a ketone and an aldehyde in the presence of at least one alcohol or alkoxylate thereof, wherein the alcohol comprises amino alcohols and derivatives thereof, hydroxybutyl vinyl ether, OH-functional acrylates, OH-functional terpenes, OH-functional halogen compounds, hydroxycarboxylic acids, sulphur-containing alcohols, hydroxyl-containing urea derivatives, carbohydrates, siloxanes, OH-functional phosphorus compounds or unsaturated alcohols.

A functionalized ketone-aldehyde condensation resin is produced by condensing a ketone and an aldehyde in the presence of at least one alcohol or alkoxylate thereof, wherein the alcohol comprises amino alcohols and derivatives thereof, hydroxybutyl vinyl ether, OH-functional acrylates, OH-functional terpenes, OH-functional halogen compounds, hydroxycarboxylic acids, sulphur-containing alcohols, hydroxyl-containing urea derivatives, carbohydrates, siloxanes, OH-functional phosphorus compounds or unsaturated alcohols.

A tubulysin compound conjugate is provided herein. The conjugate comprises a protein based recognition-molecule (PBRM) and a polymeric carrier substituted with one or more -L.sup.D-D, the protein based recognition-molecule being connected to the polymeric carrier by L.sup.P. Each occurrence of D is independently a tubulysin compound having a molecular weight 5 kDa. L.sup.D and L.sup.P are distinct linkers connecting the tubulysin compound and PBRM to the polymeric carrier respectively. Also disclosed are polymeric scaffolds useful for conjugating with a PBRM to form a polymer-tubulysin compound-PBRM conjugate described herein, compositions comprising the conjugates, methods of their preparation, and methods of treating various disorders with the conjugates or their compositions.