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2. Mattress protector - Wikipedia

   en.wikipedia.org/wiki/Mattress_protector

   A mattress protector (also mattress cover, mattress pad may mean this or a mattress topper [1]) is an item of removable bedding that sits on top of, or encases, a mattress to protect it. Some mattress protectors also provide protection to the person sleeping on the mattress from allergens and irritants such as dust mites , bed bugs , mold , and ...

3. Butyl group - Wikipedia

   en.wikipedia.org/wiki/Butyl_group

   The effect of the tert-butyl group on the progress of a chemical reaction is called the Thorpe–Ingold effect illustrated in the Diels-Alder reaction below. Compared to a hydrogen substituent, the tert-butyl substituent accelerates the reaction rate by a factor of 240. [2] tert-Butyl effect. The tert-butyl effect is an example of steric hindrance.

4. Acrylate polymer - Wikipedia

   en.wikipedia.org/wiki/Acrylate_polymer

   Acrylic elastomer is a general term for a type of synthetic rubber whose primary component is acrylic acid alkyl ester (ethyl or butyl ester). [3] Acrylic elastomer possesses characteristics of heat and oil resistance, with the ability to withstand temperatures of 170–180 °C. It is used primarily for producing oil seals and packaging related ...

5. Mattress pad - Wikipedia

   en.wikipedia.org/wiki/Mattress_pad

   A mattress topper on a boxspring mattress. A mattress pad, mattress topper, or underpad is designed to lie atop a mattress.Made from a variety of materials including wool, cotton, memory foam, feather and latex, [1] its function is to provide an extra layer of comfort, especially when the existing mattress is worn or uncomfortable.

6. Butyl rubber - Wikipedia

   en.wikipedia.org/wiki/Butyl_rubber

   Butyl rubber gloves. Butyl rubber, sometimes just called "butyl", is a synthetic rubber, a copolymer of isobutylene with isoprene. The abbreviation IIR stands for isobutylene isoprene rubber. Polyisobutylene, also known as "PIB" or polyisobutene, (C 4 H 8) n, is the homopolymer of isobutylene, or 2-methyl-1-propene, on which butyl rubber is ...

7. tert-Butyl bromide - Wikipedia

   en.wikipedia.org/wiki/Tert-butyl_bromide

   tert-Butyl bromide (also referred to as 2-bromo-2-methylpropane) is an organic compound with the formula Me 3 CBr (Me = methyl). The molecule features a tert-butyl group attached to a bromide substituent. This organobromine compound is used as a standard reagent in synthetic organic chemistry. It is a colorless liquid.