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A waterbed, water mattress, or flotation mattress is a bed or mattress filled with water. Waterbeds intended for medical therapies appear in various reports through the 19th century. Waterbeds intended for medical therapies appear in various reports through the 19th century.
This is done by feeding a welding rod into the weld gun nozzle and heating the vinyl and the welding rod along the gap between two vinyl tiles. Cross-section contrasting, left, a conventional floor; center, a bathtub floor of the sort used for wetrooms, with an impermeable sheet floor sealed (in red) to an impermeable wall covering; right, a ...
Vinyl coated polyester is a material frequently used for flexible fabric structures. It is made up of a polyester scrim , a bonding or adhesive agent, and an exterior PVC coating. The scrim supports the coating (which is initially applied in liquid form) and provides the tensile strength, elongation, tear strength, and dimensional stability of ...
The stiff homopolymer PVAc, but mostly the softer copolymer, a combination of vinyl acetate and ethylene, vinyl acetate ethylene (VAE), is also used in paper coatings, paint and other industrial coatings, as a binder in nonwovens in glass fibers, sanitary napkins, filter paper and in textile finishing.
In organic chemistry, a vinyl group (abbr. Vi; [1] IUPAC name: ethenyl group [2]) is a functional group with the formula −CH=CH 2. It is the ethylene (IUPAC name: ethene) molecule ( H 2 C=CH 2 ) with one fewer hydrogen atom.
1 (Pages 1 to 4) Joseph Biederman February 26, 2009 Joseph Biederman February 26, 2009 Page 1 Page 2............................. In ra: Risperdal/Scroquel/zyprexil;i ...
Vinyl polymers are subject of several structural variations, which greatly expands the range of polymers and their applications. With the exception of polyethylene, vinyl polymers can arise from head-to-tail linking of monomers, head-to-head combined with tail-to-tail, or a mixture of those two patterns. Additionally the substituted carbon center in such polymers is stereogenic (a "chiral center")
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