C08G2115/02

METHODS FOR DESIGNING POLYISOCYANURATE FOAM-FORMING COMPOSITIONS, RELATED POLYISOCYANURATE FOAM-FORMING COMPOSITIONS, AND FOAMS PRODUCED THEREBY
20190055343 · 2019-02-21 ·

Disclosed are methods for designing a polyisocyanurate foam-forming composition with good low temperature insulation performance. The methods include: (a) measuring the LTTR of a first polyisocyanurate faced foam laminate prepared from a first polyisocyanurate foam-forming composition comprising a blowing agent composition comprising one or more hydrocarbon blowing agents with an atmospheric pressure boiling point of at least 68 F. (20 C.), wherein the LTTR is measured according to CAN/UL S770-09 at a plurality of temperatures to identify a calculated inflection point temperature below which defines a first mathematical correlation between temperature and the LTTR of the first polyisocyanurate faced foam laminate and above which defines a second mathematical correlation between temperature and the LTTR of the first polyisocyanurate faced foam laminate; (b) identifying a plurality of predicted mathematical correlations between temperature and the LTTR of the first polyisocyanurate faced foam laminate at a plurality of reduced inflection point temperatures below the calculated inflection point temperature; and (c) using the plurality of predicted mathematical correlations identified in step (b) to design a second polyisocyanurate foam-forming composition that is different from the first polyisocyanurate foam-forming composition and which comprises a blowing agent composition comprising one or more hydrocarbon blowing agents with an atmospheric pressure boiling point of at least 68 F. (20 C.), wherein the second polyisocyanurate foam-forming composition produces a second polyisocyanurate faced foam laminate that has a LTTR of at least 5.4 ft2.Math.hr.Math. F./BTU.Math.inch (0.936 m2.Math. C./W@25 mm) at all mean insulation temperatures within a temperature range of 10 F. to 75 F. (12.2 C. to 23.9 C.), when measured according to CAN/UL S770-09.

EPOXY RESIN COMPOSITION

Curable composition obtained by combining and mixing an epoxy resin composition comprising an epoxy resin, a monool and/or polyol and a compound comprising a carboxamide group, and a polyisocyanate composition comprising a polyisocyanate, a lithium halide and a urea compound, wherein the number of moles of lithium halide per isocyanate equivalent ranges of from 0.0001-0.04 and the number of urea+biuret equivalents per isocyanate equivalent of from 0.0001-0.4. The epoxy resin composition is claimed as well.

Amine catalyst for improving the stability of polyurethane systems having halogen containing blowing agents

Catalyst compositions useful in the production of insulating polyurethane or polyisocyanurate foam are disclosed. The catalyst compositions impart increased stability of a mixture of the catalyst, a halogen-containing blowing agent, and a polyol. These catalyst compositions comprise of at least 10% of a tetraalkylguanidine and at least 10% of a tertiary amine catalyst with an isocyanate reactive group. These improved catalysts can be used with any halogenated blowing agent, and provide substantial stability benefits with the use of hydrofluoroolefins and hydrofluorochloroolefins. In an exemplary embodiment, a process includes providing a pre-mix comprising a hydrohaloolefin blowing agent, at least one polyol, water, and a catalyst comprising 10-50% tetramethylguanidine and 10-90% of one or more of an amine catalyst containing an isocyanate reactive group.

COATING COMPOSITIONS FOR USE WITH AN OVERCOATED PHOTORESIST
20180364576 · 2018-12-20 ·

Organic coating compositions, particularly antireflective coating compositions for use with an overcoated photoresist, are provided that comprise 1) one or more resins and 2) one or more PDQ compounds that are distinct from the 1) one or more resins.

Methods for designing polyisocyanurate foam-forming compositions, related polyisocyanurate foam-forming compositions, and foams produced thereby
10144798 · 2018-12-04 · ·

Disclosed are methods for designing a polyisocyanurate foam-forming composition with good low temperature insulation performance. The methods include: (a) measuring the LTTR of a first polyisocyanurate faced foam laminate prepared from a first polyisocyanurate foam-forming composition comprising a blowing agent composition, wherein the LTTR is measured at a plurality of temperatures to identify a calculated inflection point temperature below which defines a first mathematical correlation between temperature and the LTTR of the first polyisocyanurate faced foam laminate and above which defines a second mathematical correlation between temperature and the LTTR of the first polyisocyanurate faced foam laminate; (b) identifying a plurality of predicted mathematical correlations between temperature and the LTTR of the first polyisocyanurate faced foam laminate at a plurality of reduced inflection point temperatures below the calculated inflection point temperature; and (c) using the plurality of predicted mathematical correlations identified in step (b) to design a second polyisocyanurate foam-forming composition that comprises a blowing agent composition and produces a second polyisocyanurate faced foam laminate that has a LTTR satisfying a threshold value at all mean insulation temperatures within a temperature range of 10 F. to 75 F. (12.2 C. to 23.9 C.).

Open cell spray fire-retardant foam
10118985 · 2018-11-06 · ·

Embodiments of the present technology may include an open cell spray polyurethane foam. The foam may include a polymer. The polymer may formed by the polymerization of a reaction product of (1) a saccharide with an epoxide and (2) an isocyanate. The reaction product may have greater than 25 weight percent and less than 99 weight percent of the saccharide. The foam may exhibit a fire retardancy sufficient to pass flame tests in accordance with Appendix X and/or ASTM E-4.

FIBER REINFORCED PLASTIC MOLDED ARTICLE AND METHOD OF MANUFACTURING THE FIBER REINFORCED PLASTIC MOLDED ARTICLE
20180272625 · 2018-09-27 · ·

[Objective]

The object of the present invention is to provide a fiber reinforced plastic molded article having favorable close contact properties with reinforcing fibers and superior mechanical strength.

[Constitution]

A fiber reinforced plastic molded article obtained by molding a fiber reinforced plastic molding material comprising a radical polymerizable resin composition and reinforcing fibers, wherein the radical polymerizable resin composition contains at least a urethane (meth) acrylate resin component (a) containing a urethane (meth) acrylate resin compound represented by the following chemical formula [Chemical 1]:


X?M]n[Chemical 1]

(in the formula, wherein n is within a range from 2 to 100, X is a compound residue having two or more isocyanate groups, and M contains at least formula [Chemical 2]:


N?C?O[Chemical 2]

and M other than the above formula [Chemical 2] is a formula [Chemical 3]:

##STR00001##

in the formula [Chemical 3], Q represents a mono alcohol compound residue containing ethylene unsaturated groups) and an organic tin compound component (b); and the component (a) and the component (b) are mixed prior to curing.

Solid-solid phase-change materials
12104008 · 2024-10-01 · ·

Polyether- or polyester-epoxide polymer (PEEP) compositions are disclosed. The compositions comprise reaction products of a polyepoxide compound and a polyol composition. The polyol composition has a melting point within the range of 20? C. to 100? C. and a hydroxyl number less than 35 mg KOH/g. The PEEP composition is a solid-solid phase-change material. As measured by differential scanning calorimetry (DSC) at a heating/cooling rate of 10? C./minute, the PEEP composition has a transition temperature within the range of ?10? C. to 70? C., a latent heat at the transition temperature within the range of 30 to 200 J/g, and little or no detectable hysteresis or supercooling upon thermal cycling over at least five heating/cooling cycles that encompass the transition temperature. The PEEP compositions should enable formulators to manage thermal energy changes in many practical applications, including automotive, marine or aircraft parts, building materials, appliance insulation, electronics, textiles, garments, and paints or coatings.

Non-Ionic Hydrophilized Polyurethane Dispersions with Acrylate Double Bonds

An aqueous UV-curable dispersion at least includes a reaction product composed of a) at least one polyisocyanate having an average isocyanate functionality of at least 2.2, of which preferably at least one polyisocyanate is an oligomeric polyisocyanate having urethane, biuret, allophanate, iminooxadiazinedione and/or isocyanurate structural units; b) at least one monohydroxy-functional compound containing acryloyl groups, c) at least one component which contains nonionic hydrophilizing groups and has at least one further isocyanate-reactive group and d) at least one diol, triol, diamine and/or triamine, the reaction product having no ionogenic or ionically hydrophilizing groups.

Storage stable foamable compositions containing 1,1,1,4,4,4-hexafluoro-2-butene

In certain non-limiting, aspects, the present invention relates to storage stable premixes of a polyol suitable for polyurethane or polyisocyanurate foam preparation having, at least, 1,1,1,4,4,4-hexafluoro-2-butene (1336mzzm) as the blowing agent and optional one or more additional additives and/or auxiliary blowing agents in amounts suitable for polyurethane or polyisocyanurate foam preparation.