calcium stearate


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calcium stearate

[′kal·se·əm ′stir‚āt]
(organic chemistry)
Ca(C18H35O2)2 A metallic soap produced as a white powder that is insoluble in water but slightly soluble in petroleum, benzene, and toluene.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

calcium stearate

A product of the reaction of lime and stearic acid; used as an integral water repellant in concrete.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Slightly different from the concrete with a quality of 20 MPa, the compressive strength of the concrete with a quality of 30 MPa increased slightly when 0.21% calcium stearate by weight of cement was added.
The Compressive Strength and Resistivity toward Corrosion Attacks by Chloride Ion of Concrete Containing Type I Cement and Calcium Stearate
The global calcium stearate market can be divided, based on application, into the following segments: Plastic and rubber industries; construction industry; personal care and pharmaceutical industries; and paper, food, and other industries.
Market Report, "Global Calcium Stearate Market 2015-2019", published
%) BHT/(Irganox 1010) 0 0.05 Calcium stearate 1.3 1.2 Stearic acid <0.2 -- ESBO -- -- Azonitrile <0.1 -- Halogenated Typical monomer Bromobutyl bromobutyl (ppm) elastomer stopper Halogenated C4 ~1-2 ND Halogenated C5 ND ND Oligomer (ppm) C8 <5 ND X C8 <5 ND C 13 50 20 X C13 1,000 100 C21 1,000 400 X C21 250 400 Additive (wt.
Impact of elastomer extractables in pharmaceutical stoppers and seals--material supplier perspectives
* For flexible and rigid PVC, Synpro calcium stearate 15F and Synpro calcium stearate 12B.
Lubricants and processing aids
Zinc and calcium stearates are said to provide lubricity, plasticizing and release properties in polymer systems.
Zinc and calcium stearates provide lubricity
Furthermore, each variation was carried out with and without adding calcium stearate (1% relative to the amount of Ti|O.sub.2~ pigment) as a lubricant.
Additives: how surface treatment affects processing of TiO2 pigments in color concentrates
The calcium stearate filler was purchased from Alfa Aesar and used without further purification.
Reinforcing and toughening of polypropylene with self-assembled low molar Mass additives
Synpro calcium stearate 15F and Synpro 92 for flexible and rigid PVC are easily dispersed, low-dusting, high-bulk and granular.
Mold-release agents
Too little calcium stearate powder, the main ingredient of the antitack liquid additive, and rubber sheets could adhere to each other.
Conductivity sensing ensures rubber product quality
The components of the simulated recycle formulation containing the primary stabilization system were chosen for their ready availability and broad usage; they were: Resin - Himont Pro-Fax 6501; Antioxidant - Ciba-Geigy Irganox 1010, 1000 ppm; Phosphite - Ciba-Geigy Irgafos 168,500 ppm; Stearate - calcium stearate, polypropylene grade, 500 ppm.
Post-stabilizing recycled PP during processing
Also three nonlead lubricants: Hal-Lub-B (barium stearate), Hal-Lub-C (calcium stearate), and Hal-Lub-Z (zinc stearate).
Lubricants and processing aids
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