Patent classifications
C08G18/5024
Etheramines with enhanced thermal stability and their use as curatives or intermediates for polymer synthesis
Implementations described herein relate to an etheramine mixture containing a cyclobutane based amine and its method of production by alkoxylating an initiator with an alkylene oxide to produce a precursor polyol and reductively aminating the precursor polyol to form the ehteramine mixture. The etheramine mixture may be used in a variety of applications including as a curing agent for an epoxy resin or as a reactant in the production of polyurea materials.
COMPOSITION WHICH FORMS AN INSULATING LAYER AND USE OF SAID COMPOSITION
The invention relates to a composition which forms an insulating layer and which contains a binder based on polyurea. The inventive composition, which has a relatively high expansion rate, allows application, in a simple and rapid manner, of coatings having the layer thickness required for the particular fire resistance time, it being possible to reduce the layer thickness to a minimum and nevertheless to achieve high insulating action. The inventive composition is particularly suitable for fire protection, especially as a coating for metallic and nonmetallic substrates, for instance steel components such as pillars, beams and bars, for increasing the fire resistance time.
HYPERBRANCHED POLYMER MODIFIED WITH ISOCYANATE LINKER AND MIX OF SHORT AND LONG CHAIN ALKYL POLYETHER
The invention relates to a hyperbranched polymer comprising:
a) a hyperbranched polycondensate with hydroxyl end groups, amino end groups, or a combination thereof condensed to
b) one or more linking groups connected to
c1) one or more polyethylene glycol monomethyl ethers and
c2) one or more poly(C.sub.2-C.sub.3)alkylene glycol mono-(C.sub.8-C.sub.22)-alkyl ethers,
wherein the weight ratio of components c1):c2) is from 9:1 to 1:9. It further relates to a process for producing the polymer, to a composition comprising the polymer and an active ingredient, and to a method for controlling phytopathogenic fungi or undesired vegetation or insect or acarid infestations or for regulating the growth of plants.
POLYOL PREMIXES, THERMALLY INSULATING RIGID POLYURETHANE FOAMS AND METHODS FOR THEIR PRODUCTION
Polyol premixes and thermally insulating rigid polyurethane foams, such as those that can be used as a thermal insulation medium in the construction of refrigerated storage devices, are disclosed. A polymer polyol having a OH number of greater than 260 mg KOH/g is utilized. The resulting polyurethane foams can exhibit improved thermal insulation properties without sacrificing other important physical and processing properties.
POLYETHERAMINES BASED ON 1,3-DIALCOHOLS
This invention relates to polyetheramines based on 1,3-dialcohols, in particular to an etheramine mixture comprising at least 90% by weight, based on the total weight of the etheramine mixture, of an amine of Formula (I) and/or (II),
##STR00001##
wherein R.sub.1-R.sub.12 are independently selected from H, alkyl, cycloalkyl, aryl, alkylaryl, or arylalkyl, wherein at least one of R.sub.1-R.sub.6 and at least one of R.sub.7-R.sub.12 is different from H, wherein A.sub.1-A.sub.9 are independently selected from linear or branched alkylenes having 2 to 18 carbon atoms, wherein Z.sub.1-Z.sub.4 are independently selected OH, CH.sub.2CH.sub.2CH.sub.2NH.sub.2, NH.sub.2, NHR′ or NR′R″, wherein the degree of amination is <50%, wherein R′ and R″ are independently selected from alkylenes having 2-6 carbon atoms, and wherein the sum of x+y is in the range of from 2 to 200, wherein x≧1 and y≧1; and x.sub.1+y.sub.1 is in the range of from 2 to 200.
Viscoelastic sound-absorbing polyurethane foam and preparation method thereof
The present invention discloses a viscoelastic sound-absorbing polyurethane foam and a method for preparing the same, the foam being prepared by reacting a polyisocyanate composition and an isocyanate reactive component. The isocyanate reactive component comprises, based on the weight of mixed polyethers, 30-80 wt % of (bii) a copolyol of epoxypropane-epoxyethane, or a conjugate thereof, wherein the content of oxy-ethylidene unit is 5-35 wt %; 2-20 wt % of (biii) a copolyol of epoxypropane-epoxyethane, or a conjugate thereof, wherein the content of oxy-ethylidene unit is 70-100 wt %; and 20-70 wt % of (biv) a copolyol of epoxypropane-epoxyethane, or a conjugate thereof, wherein the content of oxy-ethylidene unit is 0-20 wt %. The sound-absorbing foam of the present invention has a ball rebound rate of 15-30% and good sound absorption performance.
Reworkable ionomers
Some variations provide a reworkable ionomer composition comprising: a polymer containing a plurality of ionic monomers disposed in a chain backbone of the polymer, wherein the ionic monomers have a monomer charge polarity that is either positive or negative; and a plurality of ionic species disposed within the chain backbone of the polymer, wherein the ionic species have opposite charge polarity compared to the monomer charge polarity, wherein the ionic species and the ionic monomers are ionically bonded, and wherein the ionic species are capable of undergoing a reversible oxidation-state transition of at least +1 or −1 when in the presence of a redox reagent. The polymer may be selected from the group consisting of polyurethanes, polyacrylates, polyamides, polyesters, polyureas, polyurethane-ureas, polysiloxanes, polycarbonates, and combinations thereof. Many options for ionic monomers and ionic species are disclosed. These reworkable ionomers are useful for many commercial applications, including coatings and polymer parts.
ADHESIVE, LAMINATED FILM USING THEREOF AND POLYOL COMPOSITION FOR ADHESIVE
Provided are a solvent-free two-component type adhesive capable of guaranteeing a practical packaging property, with an excellent curing property and significantly shortening aging time, a laminated film using the same, and a polyol composition for an adhesive. An adhesive, characterized in comprising a polyisocyanate composition (X) containing a polyisocyanate (A), and a polyol composition (Y) containing a polyol (C) and a tertiary amine compound (B) having multiple hydroxyl groups, as necessary components.
FLAME RETARDANT POLYOL
A reaction system, such as for forming a rigid polyurethane foam, includes a flame retardant polyol that is a brominated reaction product of a cardanol component, a bromine component, and an additive component. The cardanol component includes at least 80 wt % of cardanol, based on the total weight of the cardanol component, and the bromine component including at least 80 wt % of bromine, based on the total weight of the bromine component.
POLYUREA COMPOSITION
The invention relates to compositions comprising at least one first and one second component; —the first component K1 comprising at least one di(aminobenzoate) ester A1 of formula (I) with an average molecular weight of 500 g/mol to 2000 g/mol, preferably 600 g/mol to 1500 g/mol and particularly preferred between 650 g/mol and 1300 g/mol, G being a divalent group derived from poly(tetramethylene oxide) diol, and —the second component K2 comprising at least one aromatic polyisocyanate B1 with an average molecular weight of 160 g/mol to 1100 g/mol, preferably 500 g/mol to 800 g/mol.