E04D5/08

Roofing membranes with expandable graphite as flame retardant

A roofing membrane comprising at least one layer of a cured rubber and expandable graphite dispersed within the cured rubber.

Fabric-Backed Roofing Membrane Composite

A membrane composite comprising a membrane panel having opposed first and second planar surfaces and a fabric backing secured to a first planar surface through a UV-cured adhesive disposed on said planar surface of said membrane.

Fabric-Backed Roofing Membrane Composite

A membrane composite comprising a membrane panel having opposed first and second planar surfaces and a fabric backing secured to a first planar surface through a UV-cured adhesive disposed on said planar surface of said membrane.

PROCESS FOR PREPARING CONSTRUCTION ARTICLES WITH CURED PRESSURE-SENSITIVE ADHESIVES

An apparatus and related methods for constructing articles with cured pressure-sensitive adhesives comprising (i) a coater that applies a curable adhesive to a membrane; (ii) a cross-linking apparatus adapted to receive said membrane with said curable adhesive, said cross-linking apparatus comprising a light source positioned a first predetermined height above an aperture plate having an aperture therethrough, wherein said aperture plate is positioned a second predetermined height, said first predetermined height and said second predetermined height selected to define an exposure area of light emitted from said light source on to said curable adhesive to form a composite product; and (iii) a roll adapted to receive said composite product, said roll adapted to control a speed at which said membrane with said curable adhesive is exposed to light from said light source.

PROCESS FOR PREPARING CONSTRUCTION ARTICLES WITH CURED PRESSURE-SENSITIVE ADHESIVES

An apparatus and related methods for constructing articles with cured pressure-sensitive adhesives comprising (i) a coater that applies a curable adhesive to a membrane; (ii) a cross-linking apparatus adapted to receive said membrane with said curable adhesive, said cross-linking apparatus comprising a light source positioned a first predetermined height above an aperture plate having an aperture therethrough, wherein said aperture plate is positioned a second predetermined height, said first predetermined height and said second predetermined height selected to define an exposure area of light emitted from said light source on to said curable adhesive to form a composite product; and (iii) a roll adapted to receive said composite product, said roll adapted to control a speed at which said membrane with said curable adhesive is exposed to light from said light source.

ROOFING COMPOSITIONS COMPRISING LINEAR LOW DENSITY POLYETHYLENE
20200199337 · 2020-06-25 ·

Provided is a polymer blend composition comprising linear low density polyethylene, a propylene polymer generally having rubber dispersed therein, and a combination of a propylene copolymer and an ethylene copolymer. In one embodiment, there is provided a polymer blend composition comprising 15 to 75 weight percent of a propylene polymer having from 10-60% crystallinity, 30-50 weight percent of a linear low density polyethylene, and a combination of the propylene copolymer and the ethylene copolymer comprising the remainder of the composition.

ROOFING COMPOSITIONS COMPRISING LINEAR LOW DENSITY POLYETHYLENE
20200199337 · 2020-06-25 ·

Provided is a polymer blend composition comprising linear low density polyethylene, a propylene polymer generally having rubber dispersed therein, and a combination of a propylene copolymer and an ethylene copolymer. In one embodiment, there is provided a polymer blend composition comprising 15 to 75 weight percent of a propylene polymer having from 10-60% crystallinity, 30-50 weight percent of a linear low density polyethylene, and a combination of the propylene copolymer and the ethylene copolymer comprising the remainder of the composition.

Process for preparing construction articles with cured pressure-sensitive adhesives

A process for forming a construction composite, the process comprising (i) providing a construction article having an adhesive coating layer of a curable pressure-sensitive adhesive; and (ii) subjecting the curable pressure-sensitive adhesive to UV radiation, where the amount of UV radiation imparted to the upper surface of the adhesive coating layer is from about 75 to about 125 millijoule/cm2, and where at least 60% of the radiation rays contributing to this power have an intensity of at least 200 milliWatts/cm2.

Process for preparing construction articles with cured pressure-sensitive adhesives

A process for forming a construction composite, the process comprising (i) providing a construction article having an adhesive coating layer of a curable pressure-sensitive adhesive; and (ii) subjecting the curable pressure-sensitive adhesive to UV radiation, where the amount of UV radiation imparted to the upper surface of the adhesive coating layer is from about 75 to about 125 millijoule/cm2, and where at least 60% of the radiation rays contributing to this power have an intensity of at least 200 milliWatts/cm2.

Roofing compositions comprising linear low density polyethylene

Provided is a polymer blend composition comprising linear low density polyethylene, a propylene polymer generally having rubber dispersed therein, and a combination of a propylene copolymer and an ethylene copolymer. In one embodiment, there is provided a polymer blend composition comprising 20 to 65 weight percent of a propylene polymer having from 10-60% crystallinity, 30-60 weight percent of a linear low density polyethylene, and a combination of the propylene copolymer and the ethylene copolymer comprising the remainder of the composition.