Melting temperatures. Physics. Benefits of Thermoset Resins Melamine is a thermosetting plastic which is resistant to fire and can tolerate heat better than other plastics. Which of the following is a thermosetting polymer? answer choices . Thermoplastic or Thermosetting? View All. As the temperature of an amorphous polymer decreases from the liquid state, the polymer changes from liquid to rubbery. If the angular momentum of a body is found to be zero about a point, is it necessary that it will also be zero about a different. Ex-Bakelite Thermosetting resins are popular because uncured and at room temperature, they're in a liquid state, which allows for convenient impregnation of reinforcing fibers such as fiberglass, carbon fiber, or Kevlar. - Novolac is linear Answer. a) polystyrene b) polyolefins c) nylons d) phenolic resins View Answer. Among the following, the weakest inter-particle forces of attraction are present in 1) Thermosetting polymers 2) Thermoplastic polymers 3) Fibres 4) Elastomers 33. The copolymer formed by addition polymerization of styrene and acrylonitrile in the presence of peroxide is : Iso-butene. Thermoplastics are 1) Linear polymers 2) Soften or melt on heating 3) Molten polymer can be moulded in desired shape Answer. Within the class of thermosetting polymers, there are a number of different types of material that each serve unique purposes and applications. 500+ VIEWS. Which of the following is thermosetting polymer (a) Neoprene (b) PVC (c) Nylon-6,6 (d) Bakelite. Performance & security by Cloudflare, Please complete the security check to access. Which of the following is a branched polymer, having branched chain polysaccharide units ? Which of the following polymer types is more amenable to recycling? Updated 5/29/2016 2:40:44 PM. 60 seconds . 60 seconds . On the basis of mode of formation polymers can be classified: ... thermosetting plastics (c) both (a) and (b) (d) neither (a) nor (b) Answer. 500+ LIKES. epoxy. It can cure because of heating, owing to a chemical reaction, or following irradiation like processing by means of electronic beams. with reinforcement base materials such as glass, linen and graphite. polyethylene. Q. Thermoplastic materials are made up of polymers linked by intermolecular interactions or Van der Waals forces forming linear or branched structures, e.g., PVC, nylon, polythene. nylons. Tags: Question 2 . THERMOSETTING POLYMER. Bakelite is an example of thermosetting polymer. Start studying Material Science Chapter 16. - Step growth, Copolymer. (i) Heavily branched cross linked polymers. (A) -(CH2 - --CI big| C = C H - C H2)n- (B) Image B (C) Image C (D) Im Before the thermosetting plastic cures it is malleable Which of the following is an example of a thermosetting polymer? AMU 2018: Which of the following is an example of thermosetting polymers? A polymer plastic which cures irreversibly is called a thermosetting plastic. Thermosetting polymer,bakelite is formed by the reaction of phenol with (a) CH 3 CH 2 CHO (b) CH 3 CHO (c) HCHO (d) HCOOH. A. polyethylene B. a linear polymer C. a branched polymer D. a cross-linked polymer A cross-linked polymer is an example of a thermosetting polymer. Semicrystalline thermoplastics are formed above their. (A) -(CH2 - --CI big| C = C H - C H2)n- (B) Image B (C) Image C (D) Im True. Thermosetting polymer,bakelite is formed by the reaction of phenol with (a) CH 3 CH 2 CHO (b) CH 3 CHO (c) HCHO (d) HCOOH. addition polymer. • A. Dacron B. Neoprene C. Melamine D. Glyptal 2. Tags: polythene. 500+ SHARES. Question 36. Which one of the following molecules undergoes polymerisation to form natural rubber? Thermoset Curing Process. Tags: Question 2 . - wherein. 60 seconds . A. H2O B. NH3 C. Answer/Explanation. (a) low density polymer (b) polyester (c) high density polymer (d) nylon. (A) Bakelite (B) PVC (C) Nylon 6 , 6 (D) Buna- S . Styrene. It is a thermosetting  polymer because it has cross linked structure. 2-methyl-1, 3-butadiene. As a leader in reaction injection molding (RIM) and resin transfer molding (RTM), Osborne Industries has the capability to work with a number of different thermosetting plastics: SURVEY . Tags: It is used to … MCQ Questions for Class 8 Science with Answers were prepared based on the latest exam pattern. It is a thermosetting polymer because it … Which of the following is a thermosetting polymer? Rest all are thermoplastic polymer. Curing results in chemical reactions that create extensive cross-linkingbetween polymer chai… It can't be revised once it is processed. Melamine resists fire and can tolerate heat better than other plastics. Which one of the following is an example of a thermosetting polymer? 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