A thermoplastic starch (TPS)/polylactic acid (PLA)/poly(butylene adipate-co -terephthalate) (PBAT) blend modified biodegradable resin is prepared by using a chain extender, and is prepared from the following raw materials: 20-30 parts by weight of TPS; 20-30 parts by weight of PLA; 40-60 parts by weight of PBAT; and 0.5-0.9 parts by weight of a chain extender KL-E. The preparation method is a two-step method: blending the TPS with the PBAT in a twin screw for granulating; mixing TPS/PBAT mixed granules with PLA granules, and dissolving the chain extender KL-E into an ethyl acetate solution. The chain extender KL-E can be uniformly distributed in PLA and TPS/PBAT mixed granules by using a spraying method, and the remaining short-chain molecules and terminal carboxyl molecules in the mixed granules can be changed into long-chain molecules.

The present invention provides a honeycomb structure that is light in weight, that has high strength and rigidity, and that is also excellent in water resistance and moldability. The honeycomb structure of the present invention comprises a thermoplastic resin composition containing a polyamide (A) and a modified polyolefin (B), wherein: the polyamide (A) comprises a diamine unit that contains a xylylenediamine unit for 70 mol % or more and a dicarboxylic acid unit that contains an α,ω-linear aliphatic dicarboxylic acid unit with a carbon number of 4-20 for 50 mol % or more; the modified polyolefin (B) is a polyolefin having a reactive functional group that is selected from an epoxy group and the like; and the blending ratio of polyamide (A)/modified polyolefin (B) is in a range of 100/15-70 on a mass basis.

A resin composition or the like may exhibit high vibration damping properties even at a relatively high temperature, have good moldability, and have excellent impact resistance. The resin composition contains a thermoplastic resin (A), a thermoplastic resin (B), and a polar resin (C), wherein the resin composition satisfies (1) to (3): (1) the thermoplastic resin (B) has at least one of a reactive functional group and a monomer unit containing a hetero atom; (2) the thermoplastic resin (A) and the thermoplastic resin (B) are different types of resins; (3) with respect to the total mass of the resin composition, the content of the thermoplastic resin (A) is 1 to 30% by mass, the content of the thermoplastic resin (B) is 1 to 30% by mass, and the content of the polar resin (C) is 40 to 98% by mass.

A method for producing a first kneading step in which cellulose fibers having a weighted-average fiber length of 0.20 mm to 1.50 mm, a compatibilizing resin, and urea are introduced into a kneader and kneaded.

Provided are an ethylene-based polymer capable of obtaining a film in which thickness unevenness is reduced, a method of producing the ethylene-based polymer, and a film containing the ethylene-based polymer. In the ethylene-based polymer according to the present invention, the following Expressions (1) and (2) are satisfied:

0.362≤ηL.sup.1,256%/ηL.sup.10%≤0.466  (1)

0.0282≤I5.sup.2,506%/I1.sup.2,506%≤0.0328  (2)

The present disclosure relates to a process of manufacturing a pressure sensitive adhesive, comprising the steps of: a) providing a hot melt mixing apparatus comprising a reaction chamber; b) providing a hot melt processable pressure sensitive adhesive composition comprising: (1) a (meth)acrylate copolymer component comprising: i. C1-C32 (meth)acrylic acid ester monomer units; ii. optionally, ethylenically unsaturated monomer units having functional groups selected from the group consisting of acid, hydroxyl, acid anhydride, epoxide, amine, amide groups, and any combinations thereof; and iii. optionally, further ethylenically unsaturated monomer units which are copolymerizable with monomer units (i) and/or (ii); and (2) a crosslinking system selected from the group consisting of thermal crosslinking systems, actinic radiation crosslinking systems, and any combinations thereof; (3) optionally, at least one expandable microsphere; and (4) optionally, at least one pigment; c) providing a polymeric resin; d) subjecting the polymeric resin to a heating step (thereby at least partly remove low Volatile Organic Compounds (VOC) from the polymeric resin) thereby forming a cleaned polymeric resin; e) incorporating the cleaned polymeric resin and the hot melt processable pressure sensitive adhesive composition in the reaction chamber of the hot melt mixing apparatus; -57-f) mixing the hot melt processable pressure sensitive adhesive composition and the cleaned polymeric resin in the hot melt mixing apparatus thereby forming a hot melt blend; g) removing the hot melt blend from the hot melt mixing apparatus; and h) optionally, crosslinking the hot melt blend.

This polymer composition includes: a modified conjugated diene-based polymer having at least one nitrogen-containing functional group selected from the group consisting of a primary amino group, a secondary amino group, a tertiary amino group, a primary amino group having been protected or converted into an onium group, a secondary amino group having been protected or converted into an onium group, and a tertiary amino group having been converted into an onium group; and a functional-group-containing polymer having at least one functional group selected from the group consisting of an epoxy group, an acid anhydride structure, an oxazoline group, a hydroxyl group, a carboxyl group, and a sulfo group.

This disclosure pertains to novel polyvinyl chloride compositions containing polyvinyl chloride resins, polycarbonate resins and copolyester resins. More particularly, the present disclosure pertains to polyvinyl chloride compositions including admixtures of polycarbonates and high glass transition temperature (T.sub.g) copolyesters to increase the T.sub.g and the heat distortion temperature under load (HDTUL) of the polyvinyl chloride compositions.

Disclosed herein are processes for preparing a resin-extended rubber by mixing at least one thermoplastic resin with a resin-rubber-solvent cement comprising at least one conjugated diene monomer-containing rubber and the resin-extended rubber resulting from such processes. Also disclosed is a resin-extended rubber-solvent-cement comprising at least one conjugated diene monomer-containing rubber, at least one non-polar solvent, and at least one thermoplastic resin as well as a rubber composition comprising a resin-extended rubber.

The invention relates to a process for producing a polypropylene composition using a first extruder comprising successive zones comprising a first zone, a second zone, a third zone and a fourth zone and a second extruder comprising successive zones comprising a first zone and a second zone, the process comprising the steps of: 1a) introducing a first propylene-based polymer in the first zone of the first extruder, 1b) melt mixing the first propylene-based polymer in the second zone of the first extruder, 1c) adding an additive masterbatch to the mixture of step 1b) in the third zone of the first extruder and 1d) melt-mixing the mixture of step 1c) in the fourth zone of the first extruder to obtain the polypropylene composition, wherein the maximum temperature in the fourth zone of the first extruder is lower than the maximum temperature in the second zone of the first extruder and is lower than 240° C., wherein the additive masterbatch is produced in the second extruder by a process comprising the steps of: 2a) introducing a second propylene-based polymer and organic additives in the first zone of the second extruder and 2b) melt mixing the mixture of step 2a) in the second zone of the second extruder to obtain the additive masterbatch, wherein the maximum temperature in the second zone of the second extruder is lower than the maximum temperature in the second zone of the first extruder and is lower than 240° C.