This coating liquid contains: aerogel particles; a water-soluble polymer having a hydrophobic group; and a liquid medium.

A cable includes (a) a conductor; and (b) an expanded polymeric coating surrounding at least a portion of the conductor, the expanded polymeric coating including: (i) 70.0 wt. % to 99.8 wt. % low-density polyethylene homopolymer; and (ii) 0.2 wt. % to 5.0 wt. % of expanded polymeric microspheres having a D50 average diameter of from 25 μm to 40 μm, wherein the expanded polymeric coating has a density of 0.75 g/cc or less.

A cable includes (a) a conductor; and (b) an expanded polymeric coating surrounding at least a portion of the conductor, the expanded polymeric coating including: (i) 70.0 wt. % to 99.8 wt. % low-density polyethylene homopolymer; and (ii) 0.2 wt. % to 5.0 wt. % of expanded polymeric microspheres having a D50 average diameter of from 25 μm to 40 μm, wherein the expanded polymeric coating has a density of 0.75 g/cc or less.

In a heat-shielding film formed of addition-curing silicone resin containing organopolysiloxane, organopolysiloxane includes the combination of a plurality of units including at least a R.sup.1SiO.sub.3/2 unit (a T unit), a R.sup.2R.sup.3SiO.sub.2/2 unit (a D unit), and a R.sup.4R.sup.5R.sup.6SiO.sub.1/2 unit (a M unit) (in each unit, R.sup.1 to R.sup.6 is aliphatic hydrocarbon or hydrogen), and the molar ratio of the T unit, the D unit, and the M unit among all structural units is T:33.3 mol % to 71.4 mol %, D:11.1 mol % to 42.9 mol %, and M:7.0 mol % to 42.9 mol %.

In a heat-shielding film formed of addition-curing silicone resin containing organopolysiloxane, organopolysiloxane includes the combination of a plurality of units including at least a R.sup.1SiO.sub.3/2 unit (a T unit), a R.sup.2R.sup.3SiO.sub.2/2 unit (a D unit), and a R.sup.4R.sup.5R.sup.6SiO.sub.1/2 unit (a M unit) (in each unit, R.sup.1 to R.sup.6 is aliphatic hydrocarbon or hydrogen), and the molar ratio of the T unit, the D unit, and the M unit among all structural units is T:33.3 mol % to 71.4 mol %, D:11.1 mol % to 42.9 mol %, and M:7.0 mol % to 42.9 mol %.

A method for preparing core/shell particles includes forming a suspension of ethylenically unsaturated monomer droplets containing one or more monomers and a porogen in an aqueous medium containing a first stabilizer and a polymerization initiator, wherein at least one of the monomers is a cross-linking monomer, and wherein the first stabilizer is an inorganic colloid. The method further includes polymerizing the one or more monomers to form core/shell particles having a core of a porous polymer and a polymeric shell having a shell thickness of at least 5 nm, wherein any pores in the polymeric shell have a diameter of less than 2 nm.

An article includes a substrate with a surface, and a coating disposed over the surface. The coating includes a binder material and a plurality of porous polymer particles having pores with a variety of pore sizes including a first set of pores having a first average pore size d1 in the range 0.3≤d1/λ1≤0.7, wherein λ1 is a wavelength in the range of 250-400 nm, a second set of pores having a second average pore size d2 in the range 0.3≤d2/λ2≤0.7, wherein λ2 is a wavelength in the range of 400-700 nm, and a third set of pores having a third average pore size d3 in the range 0.3≤d3/λ3≤0.7, wherein λ3 is a wavelength in the range of 700-3000 nm, wherein the porous polymer particles have a shell which is impermeable to a liquid.

A polymer material suitable for three-dimensional printing that may include at least one of polyether block amide, thermoplastic polyurethane, and thermoplastic olefin. The polymer is formed through chemical precipitation forming a precipitated pulverulent polymer which possesses increased operating window characteristics selected from the group consisting at least one of a wider than typical range between and among the melting and recrystallization temperatures, a larger enthalpy upon melting, and a low volumetric change during recrystallization.

A polymer material suitable for three-dimensional printing that may include at least one of polyether block amide, thermoplastic polyurethane, and thermoplastic olefin. The polymer is formed through chemical precipitation forming a precipitated pulverulent polymer which possesses increased operating window characteristics selected from the group consisting at least one of a wider than typical range between and among the melting and recrystallization temperatures, a larger enthalpy upon melting, and a low volumetric change during recrystallization.

A polymer material suitable for three-dimensional printing that may include at least one of polyether block amide, thermoplastic polyurethane, and thermoplastic olefin. The polymer is formed through chemical precipitation forming a precipitated pulverulent polymer which possesses increased operating window characteristics selected from the group consisting at least one of a wider than typical range between and among the melting and recrystallization temperatures, a larger enthalpy upon melting, and a low volumetric change during recrystallization.