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Terylene:
Preparation: terylene is prepared by a polyconensation reaction between a dicarboxylic acid and a idol.
Properties: a fully aliphatic polyester are not of much industrial importance because of their low melting points (50_80 degree c) introducing aromatic rings into the polyester chain a remarkable rise in the melting point of polyesters is produced due to resistant to heat and moisture and unattached by many chemicals.
(1) It has good mechanical strength up to 175degree c.
(2) Fibbers of Terylene have wrinkle resistance and high stretch resistance.
USES OF TERYLENE:
(1) Extensively used to make textile fibres.
(2) Used in the making of films which are used in the manufacture of magnetic recording tapes aluminised sheets for certain applications?
Q. Evolution of the Modern Atomic Model? Ans: The atomic models of Dalton, Thomson, Rutherford, and Bohr eventually evolved into the current-day Quantum Mechanical model of the
Octet rule is not valid for the molecule: (1) Co 2 (2) H 2 O (3) CO
Structure and IUPAC name of K3[Al(C2O4)3]
why pcl3 and s2cl2 are less polar then sicl4
Demonstrate the effect of foaming in preparation of cold and hot souffles? After undertaking this activity, you will be able to: • learn how to prepare hot and cold souffle,
conclusion for Werner''s coordination theory assignment
(a) Co-ordination compound A co-ordination compound contains a central metal atom or cation which is surrounded by a suitable number of anions or neutral molecules and usually re
How to find the equivalent weight of a compound?
Principal quantum number of an atom represents : (1) Size of the orbital (2) Spin angular momentum (3) Orbital angular momentum (4) Space orientation of the orbital
Suppose that lysine is dissolved into a buffer to a concluding concentration of 1 mM. Into this buffer, 80 percent of the lysine's side-chain amines are protonated. Determine the p
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