rosin

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rosin

 [roz´in]
the solid resin obtained from species of pines, used in preparation of ointments and plasters, but potentially a cause of contact allergy.

ros·in

(roz'in),
The solid resin obtained after steam distillation of crude balsam from Pinus palustris and from other species of Pinus (family Pinaceae); used in plasters to make them adhere and in ointments to make them locally stimulating.
Synonym(s): colophony, resin (2)

rosin

/ro·sin/ (roz´in) a solid resin obtained from species of Pinus; it is used in preparation of ointments and plasters and in many products such as chewing gum, polishes, and varnishes, but is a common cause of contact allergy.

rosin

[roz′in]
a solid oleo resin produced by steam distillation of balsam from various species of pine trees. After extraction of turpentine in the process, the rosin remains as an amber mass. It is used in plasters and ointments.

ros·in

(roz'in)
The solid resin obtained after steam distillation of crude balsam from species of Pinus; used in plasters to render them adhesive and also in ointments to render them locally stimulating.
Synonym(s): resin (2) .

rosin

the solid resin obtained from species of Pinus, a genus of trees; used in preparation of ointments and plasters.
References in periodicals archive ?
China is the top producer of gum rosin in the world.
In recent few years, more and more local companies and multinationals are engaged in the deep-processing of gum rosin, and the domestic consumption of gum rosin has been increasing.
Rosin is commercially produced by removing turpentine from the oleoresin of Pinus species.
8]-dihydroabietic acid (7), (85 nmol each), and rosin extract (50[micro]g) in acetone (0.
When flakes of softwood are exposed to heat during the press cycle, and at temperatures as low as 90 [degrees]C, losses in lignin, holocellulose, and acetyls combined with a general degradation of the hemicellulose to various sugars results in a complex mixture of acids generally described as decarboxylated rosin acids (Hawley's Condensed Chemical Dictionary 2002, Kolin and Dannon 1998).
The complex mixture of rosin is already at the ignition temperature during the press cycle.
The ability to calculate sizing performance with mathematical expressions should help to take some of the empiricism out of rosin sizing.
Its Rosins and Terpenes business produces specialty resins for adhesives and food and beverage applications.
Nor does the sale include Hercules' rosins resins operations at Brunswick, Georgia.
The Hercules Resins Division has ranked as a leading producer and marketer of hydrocarbon resins; wood, gum and tall oil rosin resins; terpene resins and specialties; and organic peroxides.
Deavenport said the addition of the hydrocarbon resins and select portions of the rosins resins businesses from Hercules will strengthen Eastman's ability to provide a broader range of raw materials and services into the adhesives, inks and coatings markets.
This gum rosin report finished by CCM will provide you an deep understanding of China's gum rosin industry, and it includes the following aspects: - Detailed study of gum rosin's upstream industry - Production of gum rosin in China during 1989-H1 2013 - Price of gum rosin during 2000-H1 2013 and export of gum rosin during 1995-H1 2013 - Consumption of gum rosin in China during 2005-2012 - Key factors influencing the development of gum rosin in China - Forecast on Chinese gum rosin industry during 2013-2017