C08K5/5445

POLYMER COMPOSITION, CROSS-LINKED PRODUCT, AND TIRE
20210395500 · 2021-12-23 · ·

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.

Polyolefin compositions for photovoltaic encapsulant films

The present disclosure relates to an encapsulant film made from a curable composition comprising: (A) a polyolefin polymer; (B) an organic peroxide; (C) a silane coupling agent; and (D) a co-agent comprising a monocyclic organosilazane of formula (I).

Polyolefin compositions for photovoltaic encapsulant films

The present disclosure relates to an encapsulant film made from a curable composition comprising: (A) a polyolefin polymer; (B) an organic peroxide; (C) a silane coupling agent; and (D) a co-agent comprising a monocyclic organosilazane of formula (I).

Polyolefin compositions for photovoltaic encapsulant films

The present disclosure relates to an encapsulant film made from a curable composition comprising: (A) a polyolefin polymer; (B) an organic peroxide; (C) a silane coupling agent; and (D) a co-agent comprising a monocyclic organosilazane of formula (I).

PROCESS FOR THE PREPARATION OF POLYETHYLENES
20210371553 · 2021-12-02 ·

The present invention relates to a process for the production of a polyethylene by polymerisation of a reaction mixture comprising ethylene in the presence a catalyst system and an antistatic agent according to formula I: (I) wherein R1, R2 and R3 stand for a moiety according to formula II or a hydrocarbon moiety having 1 to 20 carbon atoms (II) wherein each of R4, R5 and R6 may be the same or different, and wherein each of R4, R5 and R6 is a hydrocarbon moiety having 1 to 10 carbon atoms, and wherein at least one of R1, R2 and R3 is a moiety according to formula II. Such process allows for the reduction of sheeting in the polymerisation reactor without compromising the polymerisation reaction kinetics.

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PROCESS FOR THE PREPARATION OF POLYETHYLENES
20210371553 · 2021-12-02 ·

The present invention relates to a process for the production of a polyethylene by polymerisation of a reaction mixture comprising ethylene in the presence a catalyst system and an antistatic agent according to formula I: (I) wherein R1, R2 and R3 stand for a moiety according to formula II or a hydrocarbon moiety having 1 to 20 carbon atoms (II) wherein each of R4, R5 and R6 may be the same or different, and wherein each of R4, R5 and R6 is a hydrocarbon moiety having 1 to 10 carbon atoms, and wherein at least one of R1, R2 and R3 is a moiety according to formula II. Such process allows for the reduction of sheeting in the polymerisation reactor without compromising the polymerisation reaction kinetics.

##STR00001##

CURABLE ORGANOPOLYSILOXANE COMPOSITION HAVING EXCELLENT COLD RESISTANCE, PATTERN FORMING METHOD, ELECTRONIC COMPONENTS, ETC.
20210371659 · 2021-12-02 ·

A curable organopolysiloxane composition having rheological properties suitable for precision application and fine pattern formation by a fine droplet coating apparatus such as a jet dispenser, along with a method for forming a pattern using the same, and an electronic component using the same, is provided herein. The curable organopolysiloxane composition is hydrosilylation reaction curable and can be precisely applied by a jet dispenser, etc. The composition has a viscosity at a strain speed of 1,000 (1/s) of 2.0 Pa.Math.s or less, while the viscosity at a strain speed of 0.1 (1/s) is a value 50.0-fold or more the viscosity at a strain speed of 1,000 (1/s). The content of silicon atom-bonded aromatic functional groups in the composition is within a range of from 1.0 to 6.0 mass %.

POLYCARBONATE RESIN COMPOSITION

A polycarbonate resin composition, which has favorable balance, excellent chemical resistance, flame retardancy, impact resistance, heat resistance and moist heat resistance. A polycarbonate resin composition, including 1 to 60 parts by mass of a liquid crystal polyester (B) containing a repeating unit represented by specific formulae (I) to (IV), 0.01 to 0.5 parts by mass of an organic metal salt flame retardant (C) and 0.05 to 1 parts by mass of a fluorinated resin (D) relative to 100 parts by mass of a polycarbonate resin (A), and having a notched Charpy impact strength of 15.5 kJ/m.sup.2 or more, as measured at 23° C. in accordance with ISO 179 by using an ISO dumbbell having a thickness of 3 mm.

MIXED COMPOSITION

The composition of the present invention is a mixed composition including at least one metal compound (G) selected from a metal compound represented by the following formula (G1) and a condensate thereof, a polysilazane (F), and a compound (H) including a siloxane chain. M(R.sup.g10).sub.r(A.sup.g1).sub.m-r (G1) wherein M represents Al, Fe, In, Ge, Hf, Si, Ti, Sn, Zr, or Ta, R.sup.g10 represents a hydrocarbon chain-containing group or a hydrogen atom, r is 0 or 1, a plurality of A.sup.g1 each independently represent a hydrolyzable group, and m is an integer of 3 to 5 in accordance with the metal atom M.

MIXED COMPOSITION

The composition of the present invention is a mixed composition including at least one metal compound (G) selected from a metal compound represented by the following formula (G1) and a condensate thereof, a polysilazane (F), and a compound (H) including a siloxane chain. M(R.sup.g10).sub.r(A.sup.g1).sub.m-r (G1) wherein M represents Al, Fe, In, Ge, Hf, Si, Ti, Sn, Zr, or Ta, R.sup.g10 represents a hydrocarbon chain-containing group or a hydrogen atom, r is 0 or 1, a plurality of A.sup.g1 each independently represent a hydrolyzable group, and m is an integer of 3 to 5 in accordance with the metal atom M.