Detail of "10126-68-8"

CAS Number:
10126-68-8
Name:
2-Oxetanone,4-heptadecylidene-3-hexadecyl-
Molecular Structure:
Formula:
C₃₆H₆₈O₂
Molecular Weight:
532.92392
Synonyms:
3-Eicosenoicacid, 2-hexadecyl-3-hydroxy-, b-lactone (6CI);4-Heptadecylidene-3-hexadecyl-2-oxetanone;Aquapel 291;Cetylketenedimer;Hexadecylketene dimer;Newpel 1000;Palmitylketene dimer;
Density:
0.9 g/cm³
Boiling Point:
627.2 °C at 760 mmHg
Flash Point:
262.6 °C

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Effect of the addition of alkyl ketene dimers on physicomechanical properties of fiber materials: Effect of the addition of alkyl ketene dimers on physicomechanical properties of fiber materials. Tishchenko, A. F.; Tseshkovskaya, D. L.; Shmargun, M. S.; Sklyarenko, Kh. V. (USSR). Poverkhn. Yavleniya Dispersnykh Sist., 4, 50-4 (Russian) 1975. CODEN: PYDSDX. DOCUMENT TYPE: Journal CA Section: 43 (Cellulose, Lignin, Paper, and Other Wood Products) The modification of pulp with 0.05-0.1% aq. hexadecylketene dimer (I) [10126-68-8] emulsion contg. 3% emulsified cationic starch [9005-25-8] gave a 40-60% increase in wet strength and a 13-22% decrease in absorbability of paper, presumably due to esterification of the OH groups of cellulose by I. Modification of pulp with 1% I, 0.15% Kumene-658 (polyamide) [65608-06-2] resin and 0.1-2.0% Na2SO3 gave a 2-2.5% increase in wet strength and water resistance of paper.

Improvements in and relating to sizing: Improvements in and relating to sizing. Deacon, Roy; Flesher, Peter; Langley, John Graham (Allied Colloids Ltd., Engl.). Brit. GB 1504853 22 Mar 1978, 7 pp. (English). (United Kingdom). CODEN: BRXXAA. CLASS: IC: B01F017-52. APPLICATION: GB 74-8777 27 Feb 1974. DOCUMENT TYPE: Patent CA Section: 43 (Cellulose, Lignin, Paper, and Other Wood Products) Improved aq. ketene dimer dispersions useful for the internal sizing of paper giving excellent rates of size development during drying were manufd. from compns. contg. a cationic polymer and a dispersion stabilizer. Thus, to 80 parts water at 65° was added 10 parts Me2SO4-quaternized di-isobutylaminoethyl acrylate polymer and 10 parts hexadecyl ketene dimer [10126-68-8] and the mixt. was homogenized and dild. with water to give a 1% active ketene dimer emulsion which was used to treat bleached sulfate pulp contg. 20% CaCO3.