Process for producing PU foams by reacting at least one polyol component with at least one isocyanate component in the presence of one or more catalysts that catalyse the isocyanate-polyol and/or isocyanate-water reactions and/or isocyanate trimerization, and optionally one or more chemical or physical blowing agents, with use of SiOC-bonded polyether siloxanes having branching in the siloxane moiety, prepared from branched siloxanes bearing acetoxy groups, wherein a sufficient amount of the SiOC-bonded polyether siloxane having branching in the siloxane moiety is added that the proportion by mass of this polyether siloxane (e) based on the finished PU foam is from 0.0001% to 10% by weight.

The present disclosure relates to a modified polyester polyol composition useful in the formulation of polyurethane and polyisocyanurate cellular polymers for use in making foam articles with hydrocarbon blowing agents. The modified polyester polyol composition comprises the reaction product of a polyol with an EO/PO block copolymer having a weight average molecular weight from 1,000 to 20,000 g/mol and has a viscosity in the range of 100 to 10,000 centipoise, as determined at 25 C. according to the ASTM D-4878 method.

Pressure sensing layers, devices comprising same, pressure sensing monitors and composite materials comprising a) a porous matrix material comprising a siloxane polymer, comprising a closed porosity volume fraction, and, optionally, an open porosity volume fraction, and b) a conductive or semiconductive filler substantially present in said closed porosity volume fraction of said porous matrix material a), and films, coated substrates and multilayer structures comprising the composite material and the use thereof in pressure sensing devices.

A bioelectrode includes a conductive rubber electrode and a silver coating layer provided on the conductive rubber electrode and containing a silicone rubber and silver particles. The silver coating layer contains a modified silicone and contains ions for ion conduction among the silver particles.

A bioelectrode includes a conductive rubber electrode and a silver coating layer provided on the conductive rubber electrode and containing a silicone rubber and silver particles. The silver coating layer further contains a modified silicone.

A seating device has a seating platform and at least one leg supporting it in its elevated position.

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.

Disclosed are methods for formulating a polyisocyanurate foam-forming composition with good low temperature insulation performance. The polyisocyanurate foam-forming composition includes: a) an organic polyisocyanate, b) a polyol composition comprising at least one polyester polyol with a nominal hydroxyl functionality of at least 2.0, c) a blowing agent composition present in an amount sufficient to produce foam having a density of less than 1.85 lb/ft3 and comprising: (1) a hydrocarbon having an atmospheric pressure boiling point of at least 68 F. (20 C.), and (2) water, d) a trimerization catalyst, e) a flame retardant, and f) a silicone surface-active agent. The methods include: (A) evaluating a measured Relative Hydrocarbon Solubility and, optionally, evaluating a measured a Surfactant Water Solubility, a Surfactant Turbidity, or evaluating both the Surfactant Water Solubility and the Surfactant Turbidity; and (B) formulating the polyisocyanurate foam-forming composition with the silicone surface-active agent in light of such evaluation.

To provide a PTFE aqueous dispersion which is excellent in mechanical stability, while being not susceptible to foaming. A polytetrafluoroethylene aqueous dispersion which is characterized by containing from 15 to 70 mass % of PTFE particles having an average primary particle diameter of from 0.1 to 0.5 m; from 0.1 to 20,000 ppm, to the PTFE particles, of a fluorinated emulsifier selected from a C.sub.4-7 fluorinated carboxylic acid which may have an etheric oxygen atom, and salts of thereof; from 1 to 20 parts by mass, to 100 parts by mass of the PTFE particles, of a nonionic surfactant represented by R.sup.1O-A-H (wherein R.sup.1 is a C.sub.8-18 alkyl group, and A is a polyoxyalkylene chain); from 0.004 to 0.040 parts by mass, to 100 parts by mass of the PTFE particles, of a polyether polysiloxane copolymer, wherein the polyether chain consists solely of a polyoxypropylene group; and water.

Provided is a polyether-modified silicone composition. The composition comprises (A) a polyether-modified silicone, and (B) a monool organic compound. The monool organic compound (B) is selected from (B1) a glycol ether compound having a hydrogen atom substituted by an alkyl group having from 2 to 8 carbon atoms at one end, a secondary alcoholic hydroxy group at the other end, from 2 to 3 repeating oxyalkylene units having from 2 to 4 carbon atoms, and (B2) a tripropylene glycol monomethyl ether. Isopropyl alcohol does not exceed 1 mass % of the entire composition. Applications and manufacturing methods for the composition are also provided.