Patent classifications
C08J9/147
Copolymer foam with polyamide blocks and polyether blocks
The invention relates to a non-cross-linked copolymer foam with polyamide blocks and polyether blocks, wherein: the polyamide blocks of the copolymer have an average molar mass of from 200 to 1,500 g/mol; the polyether blocks of the copolymer have an average molar mass of from 800 to 2,500 g/mol; and the weight ratio of the polyamide blocks to the polyether blocks of the copolymer is from 0.1 to 0.9. The invention also relates to a method for manufacturing said foam and items manufactured from said foam.
ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS
A construction board comprising (i) a foam body having a generally planar shape with first and second planar surfaces, where said foam body is a closed-cell foam body including pentane and a blowing agent additive that has a Hansen Solubility Parameter that is greater than 17 MPa.sup.−0.5 contained within the foam body; and (ii) first and second facers attached to said first and second planar surfaces, respectively.
SHELF-STABLE RIGID FOAM FORMULATIONS
The shelf life of B-side compositions comprising a polyol, a surfactant, a blowing agent, an organometallic or metal salt catalyst wherein the metal of the catalyst comprises Zn or Bi, and from 1 to 10 weight percent water is improved by the addition of a thiol compound.
AZEOTROPE OR AZEOTROPE-LIKE COMPOSITIONS OF TRIFLUOROIODOMETHANE (CF3I) AND 1,1,1,2,2,3,3,-HEPTAFLUOROPROPANE (HFC-227ca)
The present disclosure provides azeotrope or azeotrope-like compositions including trifluoroiodomethane (CF.sub.3I) and 1,1,1,2,2,3,3-heptafluoropropane (HFC-227 ca), and a method of forming an azeotrope or azeotrope-like composition comprising the step of combining 1,1,1,2,2,3,3-heptafluoropropane (HFC-227ca) and trifluoroiodomethane (CF.sub.3I) to form an azeotrope or azeotrope-like comprising 1,1,1,2,2,3,3-heptafluoropropane (HFC-227ca) and trifluoroiodomethane (CF.sub.3I) having a boiling point of about 24.46 C. 0.30 C. at a pressure of about 14.40 psia0.30 psia.
AZEOTROPE OR AZEOTROPE-LIKE COMPOSITIONS OF TRIFLUOROIDOMETHANE (CF3I) AND 1,1,1,3,3,3-HEXAFLUOROPROPANE (HFC-236fa)
The present disclosure provides azeotrope or azeotrope-like compositions including trifluoroiodomethane (CF.sub.3I) and 1,1,1,3,3,3-hexafluoropropane (HFC-236fa), and a method of forming an azeotrope or azeotrope-like composition comprising the step of combining 1,1,1,3,3,3-hexafluoropropane (HFC-236fa) and trifluoroiodomethane (CF.sub.3I) to form an azeotrope or azeotrope-like comprising 1,1,1,3,3,3-hexafluoropropane (HFC-236fa) and trifluoroiodomethane (CF.sub.3I) having a boiling point of about 22.70 C.0.30 C. at a pressure of about 14.30 psia0.30 psia.
Stabilization of polyurethane foam polyol premixes containing halogenated olefin blowing agents
The invention provides polyurethane and polyisocyanurate foams and methods for the preparation thereof. More particularly, the invention relates to polyurethane and polyisocyanurate foams having an open-cell, closed-cell or a combination of open and closed cell structure, and methods for their preparation. The foams are produced with a polyol premix composition which comprises a combination of a hydrohaloolefin blowing agent, a polyol and a catalyst which is an adduct of an amine and an organic acid.
NON-CROSSLINKED COPOLYMER FOAM COMPOSITION WITH POLYAMIDE BLOCKS AND POLYETHER BLOCKS
The present invention relates to a non-crosslinked block copolymer foam composition, characterised in that it is in the form of a polymer matrix comprising closed cells containing gas, said matrix comprising: from 90 to 99.9% by weight of said block copolymer; and from 0.01 to 10% by weight of metal carbonate, for the total weight of the foam composition.
The present invention also relates to a foamable composition and a method for manufacturing said foam, as well as the use of the foam in sports shoe soles, balloons or balls, gloves, personal protection equipment, rail soles, automobile parts, construction parts, electrical and electronic equipment parts, audio equipment, sound- and/or heat-proofing, and parts used to damp vibrations.
PHOTO-CURABLE INSULATION FOAM, DISPENSER FOR INJECTION THEREOF, AND METHODS OF USING SAME IN THE INSULATION
Provided are photo-curable foam-forming compositions, methods of making and using them, and a dispenser for injecting the foam-forming composition for the insulation of buildings. In one aspect, the present disclosure provides for a method of insulating a surface, such as that of a building cavity with an insulating foam, the method comprising: irradiating a foam-forming composition with light, the foam-forming composition comprising: a polymerizable component (e.g., based on epoxy or acrylate); an effective amount of a photoinitiator; and a blowing agent; and injecting the irradiated foam-forming composition adjacent the surface.
MULTI-MATERIAL SHEATHING SYSTEM WITH SUSTAINED THERMAL INSULATION PERFORMANCE
A sheathing system that envelops a building structure is provided, combining lightweight structural layers and a high R-value insulation layer. The insulation layer includes a coated insulation product with a reduced fluorinated blowing agent concentration, while maintaining acceptable thermal properties. The coated insulation product includes a foam product that is coated with a barrier coating. The barrier coating includes a polymer having a minimum degree of crystallinity and at least one additive. The collective layers of the sheathing system offer the benefits of decreased thickness, reduced weight, improved thermal insulation, improved structural strength, improved nailability, improved fire performance, and enhanced energy efficiency.
AZEOTROPE OR AZEOTROPE-LIKE COMPOSITIONS OF TRIFLUOROIODOMETHANE (CF3I) AND WATER
Heterogeneous azeotrope or azeotrope-like compositions comprising trifluoroiodomethane (CF.sub.3I) and water which may include from about 47.7 wt. % to about 99.0 wt. % trifluoroiodomethane (CF.sub.3I) and from about 1.0 wt. % to about 52.3 wt. % water and having a boiling point between about 18.0? C. and about 19.0? C. at a pressure of between about 58.0 psia and about 60.0 psia. The azeotrope or azeotrope-like compositions may be used to separate impurities from trifluoroiodomethane (CF.sub.3I).