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The U.S. Army was primarily interested in a synthetic insulation that would be comparable to goose down in weight, compressibility, and warmth, but also retain heat while in the presence of moisture. In 1985, United States Patent 4,588,635 for "synthetic down" was filed and ultimately approved in May 1986. This original non-woven insulation ...
Thinsulate is a brand of synthetic fiber thermal insulation used in winter clothing. The word is a portmanteau of the words thin and insulate , trademarked by 3M. [ 1 ] The material is made by the 3M Corporation and was first sold in 1979. [ 2 ]
On 1 July 2015, New York City became the largest city in the United States to attempt to prohibit the sale, possession, and distribution of single-use polystyrene foam (the initial decision was overturned on appeal). [82] In San Francisco, supervisors approved the toughest ban on "Styrofoam" (EPS) in the US which went into effect 1 January 2017.
This is a list of insulation materials used around the world. Typical R-values are given for various materials and structures as approximations based on the average of available figures and are sorted by lowest value. R-value at 1 m gives R-values normalised to a 1 metre (3 ft 3 in) thickness and sorts by median value of the range.
Polyester fiberfill is a synthetic fiber used for stuffing pillows [1] and other soft objects such as stuffed animals. [2] It is also used in audio speakers for its acoustic properties. [ 3 ] It is commonly sold under the trademark name Poly-Fil, [ 4 ] [ 5 ] or un-trademarked as polyfill.
Fake fur is less biodegradable due to its composition of various synthetic materials. These materials often include blends of acrylic and modacrylic polymers derived from coal, air, water, petroleum, and limestone, which can potentially take between 500 and 1,000 years to break down. [13]
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