Patent classifications
C09D123/0815
Polyethylene composition for having high impact and stress cracking resistance
Polyethylene composition with improved balance of impact resistance at low temperatures and Environmental Stress Cracking Resistance (ESCR), particularly suited for producing protective coatings on metal pipes, said composition having the following features: 1) density from 0.938 to 0.948 g/cm.sup.3; 2) ratio MIF/MIP from 15 to 25; 3) MIF from 30 to 45 g/10 min.; 4) Mz equal to or greater than 1000000 g/mol; 5) LCBI equal to or greater than 0.55.
Solar battery module and method of manufacture thereof
A solar cell module having a good appearance after lamination and a method for producing such a solar cell module are provided by specifying the combination guideline for encapsulants capable of bettering the appearance after lamination. The solar cell module contains an upper protective material (A), an encapsulant (B) for use on the side of the upper protective material (A), a solar cell device (C), an encapsulant (D) for use on the side of a back sheet (E), and the back sheet (E), wherein the encapsulant (B) and the encapsulant (D) satisfy the following requirement (P), and the production method produces the solar cell module. Requirement (P): The flow beginning temperature (TB) ( C.) of the encapsulant (B) and the flow beginning temperature (TD) ( C.) of the encapsulant (D), as measured under a load of 1 kgf/cm.sup.2, have the following relationship: TBTD>0 ( C.).
Solar battery module and method of manufacture thereof
A solar cell module having a good appearance after lamination and a method for producing such a solar cell module are provided by specifying the combination guideline for encapsulants capable of bettering the appearance after lamination. The solar cell module contains an upper protective material (A), an encapsulant (B) for use on the side of the upper protective material (A), a solar cell device (C), an encapsulant (D) for use on the side of a back sheet (E), and the back sheet (E), wherein the encapsulant (B) and the encapsulant (D) satisfy the following requirement (P), and the production method produces the solar cell module. Requirement (P): The flow beginning temperature (TB) ( C.) of the encapsulant (B) and the flow beginning temperature (TD) ( C.) of the encapsulant (D), as measured under a load of 1 kgf/cm.sup.2, have the following relationship: TBTD>0 ( C.).
METHOD TO MAKE AN ELASTOMERIC POLYOLEFIN SKIN
The present invention relates to method to make a spray skin from an aqueous polyolefin dispersion composition comprising a an olefin block copolymer, a dispersing agent, preferably an ethylene acrylic acid, and water, wherein said aqueous dispersion preferably has a pH less than 12 and is derived from the melt blending. The method comprises the steps of spraying the aqueous polyolefin dispersion onto a heated mold forming the skin and then allowing it to dry.
NON-FLUORINATED WATER-BASED SUPERHYDROPHOBIC SURFACES
A superhydrophobic surface includes a substrate treated with a non-fluorinated, water-based composition including a hydrophobic component free of fluorine, a hydrophilic filler particle, wherein the filler particle is a metal oxide nanoparticle, and water, wherein the hydrophobic component is in an aqueous dispersion. Also, a superhydrophobic surface includes a substrate treated with a non-fluorinated composition including a hydrophobic polymer free of fluorine, titanium dioxide nanoparticles as filler, and water. In addition, a superhydrophobic surface includes a substrate treated with a non-fluorinated composition including a hydrophobic polymer free of fluorine, wherein the hydrophobic polymer includes a polyolefin; titanium dioxide nanoparticles as filler, wherein the titanium dioxide nanoparticles are rutile titanium dioxide, anatase titanium dioxide, or a mixture of rutile and anatase titanium dioxide; and water.
NON-FLUORINATED WATER-BASED SUPERHYDROPHOBIC SURFACES
A superhydrophobic surface includes a substrate treated with a non-fluorinated, water-based composition including a hydrophobic component free of fluorine, a hydrophilic filler particle, wherein the filler particle is a metal oxide nanoparticle, and water, wherein the hydrophobic component is in an aqueous dispersion. Also, a superhydrophobic surface includes a substrate treated with a non-fluorinated composition including a hydrophobic polymer free of fluorine, titanium dioxide nanoparticles as filler, and water. In addition, a superhydrophobic surface includes a substrate treated with a non-fluorinated composition including a hydrophobic polymer free of fluorine, wherein the hydrophobic polymer includes a polyolefin; titanium dioxide nanoparticles as filler, wherein the titanium dioxide nanoparticles are rutile titanium dioxide, anatase titanium dioxide, or a mixture of rutile and anatase titanium dioxide; and water.
Coated Polyester Fabric
The present disclosure provides and article. The article includes: (A) a polyester fabric; (B) a coating on a surface of the polyester fabric, the coating comprising at least one of (i) an ethylene/vinyl acetate/maleic anhydride terpolymer and (ii) an ethylene/methyl acrylate/glycidyl methacrylate terpolymer.
POLYETHYLENE COMPOSITION FOR HAVING HIGH IMPACT AND STRESS CRACKING RESISTANCE
Polyethylene composition with improved balance of impact resistance at low temperatures and Environmental Stress Cracking Resistance (ESCR), particularly suited for producing protective coatings on metal pipes, said composition having the following features:
1) density from 0.938 to 0.948 g/cm.sup.3;
2) ratio MIF/MIP from 15 to 25;
3) MIF from 30 to 45 g/10 min.;
4) Mz equal to or greater than 1000000 g/mol;
5) LCBI equal to or greater than 0.55.
LOW DENSITY ETHYLENE-BASED POLYMERS WITH BROAD MOLECULAR WEIGHT DISTRIBUTIONS AND LOW EXTRACTABLES
The invention provides an ethylene-based polymer comprising the following properties: a) a melt index (I2)2.0 dg/min; b) a Mw(abs) versus I2 relationship: Mw(abs)<A+B(I2), where A=2.4010.sup.5 g/mole, and B=8.0010.sup.3 (g/mole)/(dg/min); and c) a G versus 12 relationship: GC+D(I2), where C=127.5 Pa, and D=1.25 Pa/(dg/min).
The invention also provides an ethylene-based polymer comprising the following properties: a) a melt index (I2)2.0 dg/min; b) a G versus I2 relationship: GC+D(I2), where C=127.5 Pa, and D=1.25 Pa/(dg/min) c) a chloroform extractable (Clext) versus G relationship: Clext.E+FG, where E=0.20 wt %, and F=0.060 wt %/Pa; and d) a weight fraction (w) of molecular weight greater than 10.sup.6 g/mole, based on the total weight of polymer, and as determined by GPC(abs), that meets the following relationship: w<I+J(I2), where I=0.080, and J=4.0010.sup.3 min/dg.
Low density ethylene-based polymers with broad molecular weight distributions and low extractables
The invention provides an ethylene-based polymer comprising the following properties: a) a melt index (I2)2.0 dg/min; b) a Mw(abs) versus I2 relationship: Mw(abs)<A+B(I2), where A=2.4010.sup.5 g/mole, and B=8.0010.sup.3 (g/mole)/(dg/min); and c) a G versus I2 relationship: GC+D(I2), where C=127.5 Pa, and D=1.25 Pa/(dg/min). The invention also provides an ethylene-based polymer comprising the following properties: a) a melt index (I2)2.0 dg/min; b) a G versus I2 relationship: GC+D(I2), where C=127.5 Pa, and D=1.25 Pa/(dg/min) c) a chloroform extractable (Clext) versus G relationship: Clext.E+FG, where E=0.20 wt %, and F=0.060 wt %/Pa; and d) a weight fraction (w) of molecular weight greater than 10.sup.6 g/mole, based on the total weight of polymer, and as determined by GPC(abs), that meets the following relationship: w<I+J(I2), where I=0.080, and J=4.0010.sup.3 min/dg.