What is Thermoplastic Polymer ?

What is Thermoplastic Polymer ?
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Polypropylene thermoplastic polymer.
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The material which can be deformed permanently by heat and pressure is called a (1) thermoset (2) thermoplastic (3) chemical compound (4) polymer

Description : The material which can be deformed permanently by heat and pressure is called a (1) thermoset (2) thermoplastic (3) chemical compound (4) polymer

Last Answer : (1) thermoset Explanation: A thermosetting polymer, resin, or plastic, often called a thermoset, is a polymer that is irreversibly hardened by curing from a soft solid or viscous liquid prepolymer or resin.

The material which can be deformed permanently by heat and pressure is called a: (1) Thermoplastic (2) Thermoset (3) Chemical compound (4) Polymer

Description : The material which can be deformed permanently by heat and pressure is called a: (1) Thermoplastic (2) Thermoset (3) Chemical compound (4) Polymer

Last Answer : (2) Thermoset Explanation: Thermoset materials are those materials that are made by polymers joined together by chemical bonds, acquiring a highly cross linked polymer structure. They cannot melt.

Polymethyl methacrylate (PMMA) which is also known as Perspex and is produced by bulk polymerisation of methyl methacrylate is not a __________ polymer. (A) Thermoplastic (B) Thermosetting (C) Linear (D) Glass like transparent

Description : Polymethyl methacrylate (PMMA) which is also known as Perspex and is produced by bulk polymerisation of methyl methacrylate is not a __________ polymer. (A) Thermoplastic (B) Thermosetting (C) Linear (D) Glass like transparent

Last Answer : (B) Thermosetting

Silicone is a/an (A) Monomer (B) Inorganic polymer (C) Thermoplastic material (D) A natural polymer

Description : Silicone is a/an (A) Monomer (B) Inorganic polymer (C) Thermoplastic material (D) A natural polymer

Last Answer : (B) Inorganic polymer

Pick out the wrong statement. (A) Polystyrene is a thermoplastic polymer (B) Protein is a natural polymer (C) Neoprene is a natural rubber (D) Polythene is a copolymer, while SBR is a homopolymer

Description : Pick out the wrong statement. (A) Polystyrene is a thermoplastic polymer (B) Protein is a natural polymer (C) Neoprene is a natural rubber (D) Polythene is a copolymer, while SBR is a homopolymer

Last Answer : (C) Neoprene is a natural rubber

Bakelite is a/an (A) Addition polymer (B) Elastomer (C) Thermoplastic (D) None of these

Description : Bakelite is a/an (A) Addition polymer (B) Elastomer (C) Thermoplastic (D) None of these

Last Answer : (D) None of these

__________ polymer is used for making unbreakable crockery. (A) Thermoplastic (B) Melamine (C) Addition (D) None of these

Description : __________ polymer is used for making unbreakable crockery. (A) Thermoplastic (B) Melamine (C) Addition (D) None of these

Last Answer : (B) Melamine

Which of the following is not a thermoplastic material? (A) Epoxy polymer (B) PVC (C) Polystyrene (D) Polythene

Description : Which of the following is not a thermoplastic material? (A) Epoxy polymer (B) PVC (C) Polystyrene (D) Polythene

Last Answer : (A) Epoxy polymer

Cross linked polymers formed from bi-and trifunctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer __________ properties. (A) Thermoplastic (B) Thermosetting (C) Elastometric (D) Brittleness

Description : Cross linked polymers formed from bi-and trifunctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer __________ properties. (A) Thermoplastic (B) Thermosetting (C) Elastometric (D) Brittleness

Last Answer : (C) Elastometric

Silicone is a/an (A) Thermoplastic (B) Inorganic polymer (C) Monomer (D) None of these

Description : Silicone is a/an (A) Thermoplastic (B) Inorganic polymer (C) Monomer (D) None of these

Last Answer : (B) Inorganic polymer

Distinguish between thermoplastic and thermo setting polymers.

Description : Distinguish between thermoplastic and thermo setting polymers.

Last Answer : Thermo plastic polymer Thermo setting plastic  1. The inter moliculer forces are intermediate.  1. The inter molecular force are ... 3. Eg. Polythene and polystyrene  3. Eg. Bakelite

What is thermoplastic rubber? -Biology

Description : What is thermoplastic rubber? -Biology

Last Answer : answer:

What is Thermoplastic ?

Description : What is Thermoplastic ?

Last Answer : A thermoplastic (sometimes written as thermoplastic) is a type of plastic made from polymer resin that becomes a homogenous liquid when it hardens when frozen and cooled. When frozen , it ... , however, thermosetting plastics tend to be more durable when allowed to cool than many thermoplastics.

Cross linked polymers are (A) Thermoplastic (B) Thermosetting (C) Either (A) or (B) (D) Fibres only

Description : Cross linked polymers are (A) Thermoplastic (B) Thermosetting (C) Either (A) or (B) (D) Fibres only

Last Answer : (B) Thermosetting

Thermoplastic materials (A) Do not soften on application of heat (B) Are heavily branched molecules (C) Are solvent insoluble (D) None of these

Description : Thermoplastic materials (A) Do not soften on application of heat (B) Are heavily branched molecules (C) Are solvent insoluble (D) None of these

Last Answer : (D) None of these

The only natural thermoplastic resin, which is a product of animal life is (A) Rosin (B) Shellac (C) Amber (D) Copal

Description : The only natural thermoplastic resin, which is a product of animal life is (A) Rosin (B) Shellac (C) Amber (D) Copal

Last Answer : (B) Shellac

Polycondensation reaction of polymerisation (A) Does not produce linear polymers (B) Produces only thermoplastic material (C) Produces epoxy polymers (D) Does not need any catalyst

Description : Polycondensation reaction of polymerisation (A) Does not produce linear polymers (B) Produces only thermoplastic material (C) Produces epoxy polymers (D) Does not need any catalyst

Last Answer : (C) Produces epoxy polymers

Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their (A) Molecular sizes (B) Magnitude of intermolecular forces (C) Resistance to heat (D) Polymerisation mechanism

Description : Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their (A) Molecular sizes (B) Magnitude of intermolecular forces (C) Resistance to heat (D) Polymerisation mechanism

Last Answer : (B) Magnitude of intermolecular forces

Thermosetting resins/polymers as compared to thermoplastic ones are (A) Soluble in all organic solvents (B) More brittle (C) Formed by addition polymerisation only (D) Easily reshaped & reused

Description : Thermosetting resins/polymers as compared to thermoplastic ones are (A) Soluble in all organic solvents (B) More brittle (C) Formed by addition polymerisation only (D) Easily reshaped & reused

Last Answer : (B) More brittle

Poly Vinyl chloride (PVC) is a __________ material. (A) Thermoplastic (B) Thermosetting (C) Fibrous (D) Chemically active

Description : Poly Vinyl chloride (PVC) is a __________ material. (A) Thermoplastic (B) Thermosetting (C) Fibrous (D) Chemically active

Last Answer : (A) Thermoplastic

Pick out the wrong statement. (A) Polymeric fibres are never produced by addition polymerisation (B) Property of tackiness is exhibited by uncured rubber (C) Sharp melting point is not observed in thermoplastic polymers (D) Polythene generally has an excellent resistance to ultra violet rays

Description : Pick out the wrong statement. (A) Polymeric fibres are never produced by addition polymerisation (B) Property of tackiness is exhibited by uncured rubber (C) Sharp melting point is not observed in thermoplastic polymers (D) Polythene generally has an excellent resistance to ultra violet rays

Last Answer : (A) Polymeric fibres are never produced by addition polymerisation

Linear polymers are normally (A) Thermosetting (B) Thermoplastic (C) Elastometric (D) Having extremely high softening poin

Description : Linear polymers are normally (A) Thermosetting (B) Thermoplastic (C) Elastometric (D) Having extremely high softening poin

Last Answer : (B) Thermoplastic

All thermoplastic, thermosetting & elastic materials can be processed in a extrusion machine, however it cannot be used for the production of plastic (A) Filaments (B) Pipes (C) Buckets (D) Tubings

Description : All thermoplastic, thermosetting & elastic materials can be processed in a extrusion machine, however it cannot be used for the production of plastic (A) Filaments (B) Pipes (C) Buckets (D) Tubings

Last Answer : (C) Buckets

Polystyrene is a light, transparent, thermoplastic material used for making (A) Toys and combs (B) Packaging bags (C) Non-sticking utensils (D) Electrical insulation

Description : Polystyrene is a light, transparent, thermoplastic material used for making (A) Toys and combs (B) Packaging bags (C) Non-sticking utensils (D) Electrical insulation

Last Answer : (A) Toys and combs

Thermosetting polymers as compared to thermoplastic polymers (A) Are formed by addition polymerisation (B) Have three dimensional structure (C) Have linear structure (D) None of these

Description : Thermosetting polymers as compared to thermoplastic polymers (A) Are formed by addition polymerisation (B) Have three dimensional structure (C) Have linear structure (D) None of these

Last Answer : (B) Have three dimensional structure

Pick out the wrong statement. (A) Linear polymers are formed from bifunctional groups only and are normally thermoplastic (B) Cross-linked branched chain polymers are either elastometric or thermosetting (C) Branching in case of cross-linked polymers caused by small amount of impurities in bifunctional monomer formulation reduces its solubility and increases the softening point (D) Dibasic acids reacts with dihydric alcohols to give polyesters using addition polymerisation reaction

Description : Pick out the wrong statement. (A) Linear polymers are formed from bifunctional groups only and are normally thermoplastic (B) Cross-linked branched chain polymers are either elastometric or ... (D) Dibasic acids reacts with dihydric alcohols to give polyesters using addition polymerisation reaction

Last Answer : D) Dibasic acids reacts with dihydric alcohols to give polyesters using addition polymerisation reaction

Thermoplastic resins usually(A) Remain hard as long as they are hot(B) Cannot be reclaimed from waste(C) Permanent setting resins(D) Less brittle than thermosetting resins

Description : Thermoplastic resins usually (A) Remain hard as long as they are hot (B) Cannot be reclaimed from waste (C) Permanent setting resins (D) Less brittle than thermosetting resins

Last Answer : (D) Less brittle than thermosetting resins

Vessels made of __________ can be used to store dry chlorine. (A) Thermoplastic materials (B) Nickel (C) Steel or iron (D) None of these

Description : Vessels made of __________ can be used to store dry chlorine. (A) Thermoplastic materials (B) Nickel (C) Steel or iron (D) None of these

Last Answer : (C) Steel or iron

Thermoplastic resins are those polymers, which (A) Has decreased plasticity at increasing temperature (B) Cannot be moulded (C) Easily deform under pressure at high temperature (D) None of these

Description : Thermoplastic resins are those polymers, which (A) Has decreased plasticity at increasing temperature (B) Cannot be moulded (C) Easily deform under pressure at high temperature (D) None of these

Last Answer : (C) Easily deform under pressure at high temperature

__________ moulding process cannot be used for thermoplastic plastics. (A) Compression (B) Extrusion (C) Injection (D) None of these

Description : __________ moulding process cannot be used for thermoplastic plastics. (A) Compression (B) Extrusion (C) Injection (D) None of these

Last Answer : (C) Injection

Pick out the wrong statement. (A) Pure rubber is as useless as pure gold as a material of construction (B) Thermal conductivity of aluminium is higher than that of copper; henceit is increasingly used for utensil making(C) Copper has poor weldability(D) Reinforced plastics are made from both thermoplastic as well asthermosetting plastics

Description : Pick out the wrong statement. (A) Pure rubber is as useless as pure gold as a material of construction (B) Thermal conductivity of aluminium is higher than that of copper; henceit is ... has poor weldability (D) Reinforced plastics are made from both thermoplastic as well as thermosetting plastics

Last Answer : (B) Thermal conductivity of aluminium is higher than that of copper; henceit is increasingly used for utensil making

Thermoplastic materials (A) Do not soften on application of heat (B) Are heavily branched molecules (C) Are solvent insoluble (D) None of these

Description : Thermoplastic materials (A) Do not soften on application of heat (B) Are heavily branched molecules (C) Are solvent insoluble (D) None of these

Last Answer : (D) None of these

Poly Vinyl Chloride (P.V.C.) is a __________ material. (A) Thermosetting (B) Thermoplastic (C) Fibrous (D) Chemically active

Description : Poly Vinyl Chloride (P.V.C.) is a __________ material. (A) Thermosetting (B) Thermoplastic (C) Fibrous (D) Chemically active

Last Answer : (B) Thermoplastic

While the thermosetting polymers are amorphous in nature, the thermoplastic polymers are either amorphous or crystalline. The crystalline polymers are characterised by the (A) Low impact strength (B) High flexibility (C) Better finish and surface appearance (D) High plastic deformation

Description : While the thermosetting polymers are amorphous in nature, the thermoplastic polymers are either amorphous or crystalline. The crystalline polymers are characterised by the (A) Low impact strength (B) High flexibility (C) Better finish and surface appearance (D) High plastic deformation

Last Answer : A) Low impact strength

Fibre reinforced plastic (FRP) are (A) Made of glass fibre and thermoplastic resins (B) Anisotropic (C) Made of thermosetting resin and glass fibre (D) Both 'b' & 'c'

Description : Fibre reinforced plastic (FRP) are (A) Made of glass fibre and thermoplastic resins (B) Anisotropic (C) Made of thermosetting resin and glass fibre (D) Both 'b' & 'c'

Last Answer : Option D

Compound is, A. Very accurate compression material B. Thermoplastic material

Description : Compound is, A. Very accurate compression material B. Thermoplastic material

Last Answer : B. Thermoplastic material

Differentiate between Thermoplastic and Thermosetting polymers.

Description : Differentiate between Thermoplastic and Thermosetting polymers.

Last Answer : Differentiate between Thermosetting and Thermoplastic polymers: Thermosetting Thermoplastic Polymers which once mould /shaped do not soften when heated and thus cannot be reshaped  Polymers whose ... tri, tetra or poly functional. Monomer used in this polymer bi functional.

Describe thermoplastic with its properties.

Description : Describe thermoplastic with its properties.

Last Answer : Thermoplastic: These are composed of linear and long chain straight or slightly branched molecules. They can be resoftened and remelted by application of heat and pressure. The materials which can be ... temperature as they tend to soft under heat 7) Usually soluble in some organic solvents.

Where is thermoplastic elastomer used?

Description : Where is thermoplastic elastomer used?

Last Answer : Thermoplastic elastomers (thermoplastic elastomers, TPE) are widely used due to their unique properties in comparison with other plastics. They are soft, resilient and recoverable. An alternative was needed ... dried before processing. It is necessary that the moisture content does not exceed 0.1%.

Compare between thermoplastic and thermosetting plastic.

Description : Compare between thermoplastic and thermosetting plastic.

Last Answer : Thermoplastics Thermosetting They can be repeated softened by heat and hardened on cooling Once hardened and set they do not softened with application of heat They are formed by ... to soft under heat  They can be used at comparatively higher temperature without damage. 

What is the polymer T used as a nonstick coating in cooking utensils ?

Description : What is the polymer T used as a nonstick coating in cooking utensils ?

Last Answer : Answer : Polytetrafluoroethylene ( PTFE) or Teflon is a polymer used as a nonstick coating in cooking utensils .

Natural rubber is a polymer derived from? (1) ethylene (2) propylene (3) isoprene (4) butadiene

Description : Natural rubber is a polymer derived from? (1) ethylene (2) propylene (3) isoprene (4) butadiene

Last Answer : (3) isoprene Explanation: Natural rubber is an addition polymer that is obtained as a milky white fluid known as latex from a tropical rubber tree.

Natural rubber is a polymer of – (1) Vinyl acetate (2) Propene (3) Isoprene (4) Styrene

Description : Natural rubber is a polymer of – (1) Vinyl acetate (2) Propene (3) Isoprene (4) Styrene

Last Answer : (3) Isoprene Explanation: Natural rubber consists of suitable polymers of the organic compound isoprene, with minor impurities of other organic compounds plus water. Isoprene is produced and emitted by ... trees into the atmosphere (major producers are oaks, poplars, eucalyptus, and some legumes).

What is a Bakelite? (1) Solution (2) Acid (3) Base (4) Polymer

Description : What is a Bakelite? (1) Solution (2) Acid (3) Base (4) Polymer

Last Answer : (4) Polymer Explanation: Bakelite is the commercial name for the polymer obtained by the polymerization of phenol and formaldehyde. It is an early plastic. Plastic (from the Greek "plastikos," ... , polymers. Bakelite was developed by the BelgianAmerican chemist Leo Baekeland in New York in 1907.

Silicone is a polymer of – (1) Tetraalkyl silane (2) Silicon tetrachloride (3) Dialkyl dichloro silane (4) Silane

Description : Silicone is a polymer of – (1) Tetraalkyl silane (2) Silicon tetrachloride (3) Dialkyl dichloro silane (4) Silane

Last Answer : (3) Dialkyl dichloro silane Explanation: In order to manufacture silicones, alkyl-substituted chlorosilanes are used as starting material. Since dimethylsilane contains -OH group at the end of ... increases. However, the hydrolysis of alkyl trichlorosilane gives very complex cross linked polymer.

Natural rubber is the polymer of : (1) Isoprene (2) Styrene (3) Butadiene (4) Ethylene

Description : Natural rubber is the polymer of : (1) Isoprene (2) Styrene (3) Butadiene (4) Ethylene

Last Answer : (1) Isoprene Explanation: Isoprene was first isolated by thermal decomposition of natural rubber. About 95% of isoprene production is used to produce cis-1,4- polyisoprene—a synthetic version of natural rubber.

The polymer obtained by the condensation of hexamethylene diamine and adipic acid is – (1) Nylon 66 (2) Terylene (3) Tollen's (4) Bakelite

Description : The polymer obtained by the condensation of hexamethylene diamine and adipic acid is – (1) Nylon 66 (2) Terylene (3) Tollen's (4) Bakelite

Last Answer : (1) Nylon 66 Explanation: Polymers are very high molecular mass substances each molecule of which consists of very large number of simple structural units joined together though covalent bonds ... the repeating structural unit is derived from two monomer units - hexamethylenediamine and adipic acid.

Nylon threads are made of - (1) Polyester polymer (2) Polyamide polymer (3) Polyvinyl polymer (4) Polysaccharide

Description : Nylon threads are made of - (1) Polyester polymer (2) Polyamide polymer (3) Polyvinyl polymer (4) Polysaccharide

Last Answer : (2) Polyamide polymer Explanation: Nylon is a generic designation for a family of synthetic polymers, more specifically aliphatic or semiaromatic polyamides. They can be melt-processed into fibers, ... . Nylon polymers have found significant commercial applications in fibers, in shapes and in films.

Teryleneisa condensation polymer of ethylene glycol and which acid? (1) Benzoic Acid (2) Salicylic acid (3) Phthalic acid (4) Terephthalic acid

Description : Teryleneisa condensation polymer of ethylene glycol and which acid? (1) Benzoic Acid (2) Salicylic acid (3) Phthalic acid (4) Terephthalic acid

Last Answer : (4) Terephthalic acid Explanation: Terylene is a co-polymer of ethylene glycol and Terephthalic acid. Also known as Dacron, it is prepared by the condensation polymerization of ethylene glycerol and. ... in the presence of a catalyst consisting of a mixture of zinc acetate and antimony trioxide.

Which of the following is a natural polymer? (1) Bakelite (2) Nylon (3) Polythene (4) Starch

Description : Which of the following is a natural polymer? (1) Bakelite (2) Nylon (3) Polythene (4) Starch

Last Answer : (4) Starch Explanation: Cotton, starch, cellulose and rubber are some of the naturally occurring polymers. Starch is a condensation polymer made up of hundreds of glucose monomers, which split out ... is also referred to as a polysaccharide, because it is a polymer of the monosaccharide glucose.