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2. Polyurethane - Wikipedia

   en.wikipedia.org/wiki/Polyurethane

   Polyurethane (/ ˌ p ɒ l i ˈ jʊər ə ˌ θ eɪ n,-j ʊəˈr ɛ θ eɪ n /; [1] often abbreviated PUR and PU) refers to a class of polymers composed of organic units joined by carbamate (urethane) links. In contrast to other common polymers such as polyethylene and polystyrene, polyurethane term does not refer to the single type of polymer ...

3. Polyurethane dispersion - Wikipedia

   en.wikipedia.org/wiki/Polyurethane_dispersion

   Polyurethane dispersion, or PUD, is understood to be a polyurethane polymer resin dispersed in water, rather than a solvent, although some cosolvent may be used.Its manufacture involves the synthesis of polyurethanes having carboxylic acid functionality or nonionic hydrophiles like PEG (polyethylene glycol) incorporated into, or pendant from, the polymer backbone. [1]

4. Freezing tolerance - Wikipedia

   en.wikipedia.org/wiki/Freezing_tolerance

   The ability to control intercellular ice formation during freezing is critical to the survival of freeze-tolerant plants. [3] If intracellular ice forms, it could be lethal to the plant when adhesion between cellular membranes and walls occur. The process of freezing tolerance through cold acclimation is a two-stage mechanism: [4]

5. Thermal bag - Wikipedia

   en.wikipedia.org/wiki/Thermal_bag

   A thermal bag is a type of thermally insulated shipping container in the form of a bag which can be carried, usually made of thermally insulating materials and sometimes a refrigerant gel. It is used to help maintain the temperature of its contents, keeping cold items cold, and hot items hot.

6. The Life-Changing Hack for Defrosting Your Windshield - AOL

   www.aol.com/life-changing-hack-defrosting...

   The biggest thing to keep in mind, however, is that this hack works best when the spray bottle is kept inside your house or office when not in use to keep the contents from freezing.

7. Fresno freezing temps: How to prepare your plants, pipes and ...

   www.aol.com/news/fresno-freezing-temps-prepare...

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8. 3 ways to minimize your own risk of falling like Pelosi and ...

   www.aol.com/3-ways-minimize-own-risk-130041920.html

   When my family moved to New Hampshire going into my freshman year of high school, Dr. C. Everett Koop, President Ronald Reagan’s surgeon general, became my neighbor. As an aspiring doctor, I ...

9. Thermoplastic polyurethane - Wikipedia

   en.wikipedia.org/wiki/Thermoplastic_polyurethane

   Thermoplastic polyurethane (TPU) is any of a class of polyurethane plastics with many properties, including elasticity, transparency, and resistance to oil, grease, and abrasion. Technically, they are thermoplastic elastomers consisting of linear segmented block copolymers composed of hard and soft segments.