Patent classifications
C08L2207/12
Polypropylene resin composition and monolayer and multilayer film
A propylene polymer satisfying (a) below, a soft propylene copolymer satisfying (b) below, and a polyolefin containing a structural unit derived from an unsaturated carboxylic acid and/or a derivative thereof, wherein (a) a melting point is 100° C. or more, and (b) an MFR is in the range of 0.01 to 100 g/10 min, at least one of the following requirements (b-1) and (b-2) is satisfied: (b-1) a syndiotactic triad fraction s 60% or more, and (b-2) a structural unit derived from propylene is 55 to 90 mol % and a structural unit derived from at least one olefin having 2 to 20 carbon atoms (excluding propylene) is contained at 10 to 45 mol % (with provisos), and the relation between an intrinsic viscosity [η] (dL/g) and the MFR satisfies the relation: 1.50×MFR.sup.−0.20≤[η]≤2.65×MFR.sup.−0.20.
SYNDIOTACTIC PROPYLENE-BASED ETHYLENE- PROPYLENE COPOLYMERS
Provided is syndiotactic polypropylene-based ethylene-propylene copolymers comprising a) 5 to 15% by weight of ethylene and 85 to 95% by weight of propylene; b) 60 to 90% rr triads; c) Mw (LS) of 10 to 250 kg/mol; and d) no substantial melting peak, wherein the heat of fusion of the peak is 5 J/g or less as determined by differential scanning calorimetry at a scan rate of 10° C./min (ASTM D3418-03).
DOOR ASSEMBLY
A door assembly. The door assembly may include at least one door panel and a door frame having a plurality of frame members including a header and a pair of side jambs. The invention may also be considered a frame member. The frame member may include a core; and a two-piece top piece adjoining the core to form a structural member. The core and the top piece may be a composite of cellulosic material and at least one other material. The door assembly may further include at least one adjacent panel. Also disclosed are door jamb frame members and mullion frame members.
Door assembly
A door assembly. The door assembly may include at least one door panel and a door frame having a plurality of frame members including a header and a pair of side jambs. The invention may also be considered a frame member. The frame member may include a core; and a two-piece top piece adjoining the core to form a structural member. The core and the top piece may be a composite of cellulosic material and at least one other material. The door assembly may further include at least one adjacent panel. Also disclosed are door jamb frame members and mullion frame members.
Polyolefin blend compositions
The present disclosure relates to polypropylene-based and polyethylene-based polyolefin compositions having improved impact properties. In at least one embodiment, a polyolefin composition includes an ethylene polymer, a propylene polymer, a propylene-based elastomer, and an ethylene-based plastomer. Compositions of the present disclosure can have one or more of: a Notched Charpy impact strength at 23° C. of 8 kJ/m.sup.2 or greater, a Notched Izod Impact Strength at 23° C. of 6 ft-lb/in. or greater, an Unnotched Izod impact strength at 23° C. of 10 ft-lb/in. or greater, and a portion of the composition having a submicron domain content of 50% or greater per mm.sup.2.
Door assembly
A door assembly. The door assembly may include at least one door panel and a door frame having a plurality of frame members including a header and a pair of side jambs. The invention may also be considered a frame member. The frame member may include a core; and a two-piece top piece adjoining the core to form a structural member. The core and the top piece may be a composite of cellulosic material and at least one other material. The door assembly may further include at least one adjacent panel. Also disclosed are door jamb frame members and mullion frame members.
DOOR ASSEMBLY
A door assembly. The door assembly may include at least one door panel and a door frame having a plurality of frame members including a header and a pair of side jambs. The invention may also be considered a frame member. The frame member may include a core; and a two-piece top piece adjoining the core to form a structural member. The core and the top piece may be a composite of cellulosic material and at least one other material. The door assembly may further include at least one adjacent panel. Also disclosed are door jamb frame members and mullion frame members.
Polyolefin Blend Compositions
The present disclosure relates to polypropylene-based and polyethylene-based polyolefin compositions having improved impact properties. In at least one embodiment, a polyolefin composition includes an ethylene polymer, a propylene polymer, a propylene-based elastomer, and an ethylene-based plastomer. Compositions of the present disclosure can have one or more of: a Notched Charpy impact strength at 23 C. of 8 kJ/m.sup.2 or greater, a Notched Izod Impact Strength at 23 C. of 6 ft-lb/in. or greater, an Unnotched Izod impact strength at 23 C. of 10 ft-lb/in. or greater, and a portion of the composition having a submicron domain content of 50% or greater per mm.sup.2.
POLYPROPYLENE RESIN COMPOSITION AND MONOLAYER AND MULTILAYER FILM
A propylene polymer satisfying (a) below, a soft propylene copolymer satisfying (b) below, and a polyolefin containing a structural unit derived from an unsaturated carboxylic acid and/or a derivative thereof, wherein (a) a melting point is 100 C. or more, and (b) an MFR is in the range of 0.01 to 100 g/10 min, at least one of the following requirements (b-1) and (b-2) is satisfied: (b-1) a syndiotactic triad fraction s 60% or more, and (b-2) a structural unit derived from propylene is 55 to 90 mol % and a structural unit derived from at least one olefin having 2 to 20 carbon atoms (excluding propylene) is contained at 10 to 45 mol % (with provisos), and the relation between an intrinsic viscosity [] (dL/g) and the MFR satisfies the relation: 1.50MFR.sup.0.20[]2.65MFR.sup.0.20.