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PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS
A process for producing a polyurethane or polyisocyanurate construction board, the process comprising: providing an A-side reactant stream that includes an isocyanate-containing compound; providing a B-side reactant stream that includes a polyol, wherein the B-side reactant stream includes a blowing agent mixture including isopentane and a blowing agent additive that has a Hansen Solubility Parameter (δt) that is greater than 15 MPa0.5; and mixing the A-side reactant stream with the B-side reactant stream to produce a reaction mixture.
PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS
A process for producing a polyurethane or polyisocyanurate construction board, the process comprising: providing an A-side reactant stream that includes an isocyanate-containing compound; providing a B-side reactant stream that includes a polyol, wherein the B-side reactant stream includes a blowing agent mixture including isopentane and a blowing agent additive that has a Hansen Solubility Parameter (δt) that is greater than 15 MPa0.5; and mixing the A-side reactant stream with the B-side reactant stream to produce a reaction mixture.
PROCESS FOR PRODUCING ISOCYANATE-BASED FOAM CONSTRUCTION BOARDS
LETTS JOHN B (author) / YAO CHUNHUA (author) / HUBBARD MICHAEL J (author)
2019-07-25
Patent
Electronic Resource
English
IPC:
C08J
Verarbeitung
,
WORKING-UP
/
B32B
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
,
Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse
/
C08G
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
,
Makromolekulare Verbindungen, anders erhalten als durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind
/
E04B
Allgemeine Baukonstruktionen
,
GENERAL BUILDING CONSTRUCTIONS
/
E04D
ROOF COVERINGS
,
Dacheindeckungen
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