Word Finder - resin

definition

A viscous hydrocarbon secretion of many plants, particularly coniferous trees.

definition

Any of various yellowish viscous liquids or soft solids of plant origin; used in lacquers, varnishes and many other applications; chemically they are mostly hydrocarbons, often polycyclic.

definition

Any synthetic compound of similar properties.

definition

To apply resin to.

Resin soaps are compounds of soda or potash with the complex acids (chiefly abietic) of which coniferous resins consist.

It is the chief mart in the empire for resin and palm-oil.

Allingite, a fossil resin allied to succinite, from Switzerland.

The presence of more than a small percentage of resin in the latex leads to the production of rubber containing much resin, which seriously depreciates its commercial value for most purposes.

The percentage of resin in a good rubber should be as small as possible, and should in any case be less than to %.

The Sangre del drago of the Mexicans is a resin resembling dragon's blood obtained from a euphorbiaceous tree, Croton Draco.

The properties of podophyllin resin vary with the reaction of the tissue with which it is in contact; where this is acid the drug is inert, the picro-podophyllin being precipitated.

The resin contains, in addition to the beautifully preserved plant-structures, numerous remains of insects, spiders, annelids, crustaceans and other small organisms which became enveloped while the exudation was fluid.

Roumanite, or Rumanian amber, a dark reddish resin, occurring with lignite in Tertiary deposits.

Chemawinite or cedarite is an amber-like resin from the Saskatchewan river in Canada.

When cut open, it displays an infinity of tiny leaf-buds and stems, and at intervals there exudes from it an aromatic resin, which from its astringent properties is used by the shepherds as a vulnerary, but has not been converted to any commercial purpose.

All the species exude resin, but no turpentine.

The process is repeated every alternate year, until the tree no longer yields the resin in abundance, which under favourable circumstances it will do for twenty years or more.

It forms extensive forests in Vancouver Island, British Columbia and Oregon, whence the timber is exported, being highly prized for its strength, durability and even grain, though very heavy; it is of a deep yellow colour, abounding in resin, which oozes from the thick bark.

This property is usually obtained by mixing soft and hard soaps, or, more rarely, by adding gum tragacanth to a hard soap. In the textile trades the wool scourer employs a neutral olive-oil soap, or, on account of its cheapness, a neutral curd or curd mottled brand; the cotton cleanser, on the other hand, uses an alkaline soap, but for cleaning printed cottons a neutral olive-oil curd soap is used, for, in this case, free alkali and resin are objectionable; olive-oil soap, free from caustic alkali, but often with sodium carbonate, is also used in cleansing silk fibres, although hard soaps free from resin are frequently employed for their cheapness.

Lampblack is prepared by burning tar, resin, turpentine and other substances rich in carbon, with a limited supply of air; the products of combustion being conducted into condensing chambers in which cloths are suspended, on which the carbon collects.

Of the suspended substances, grains of caoutchouc, drops of resin and oil, proteid crystals and starch grains may be mentioned.

Overlying the Tuscaloosa are the Eutaw sands, characterized by sandy laminated clays, and yellow, orange, red and blue sands, containing lignite and fossil resin.

A fine oil of turpentine is distilled from the crude material; the residue forms a coarse resin.

Yellow Soap consists of a mixture of any hard fatty soap with a variable proportion - up to 40% or more - of resin soap. That substance by itself has a tenacious gluey consistence, and its intermixture in excess renders the resulting compound soft and greasy.

There is no feasible method at present known of preventing the inclusion of the resin of the latex with the rubber during coagulation, and although the separation of the resin from the solid caoutchouc by means of solvents is possible, it is not practicable or profitable commercially.

Hevea and Castilloa, the resin is present in large proportion in the latex derived from young trees, and diminishes in amount as the tree ages.

They are found, however, to be rich in resin, containing 18%.

Convolvulin constitutes nearly 20% of the resin.

The stimulation of the liver is said to depend upon the solution of the resin by the intestinal secretion.

R.S Multigrip is a high build solvent free unpigmented epoxy resin binder.

The resin flooring is a big improvement on the tiles it replaced.

If you are into whimsy, you might enjoy the wide variety of resin designs available that feature an engaging French waiter holding a bottle of wine.

One sells for under $20 and is made out of a durable poly resin.

He constructed two equal condensers, each consisting of a metal ball enclosed in a hollow metal sphere, and he provided also certain hemispherical shells of shellac, sulphur, glass, resin, &c., which he could so place in one condenser between the ball and enclosing sphere that it formed a condenser with solid dielectric. He then determined the ratio of the capacities of the two condensers, one with air and the other with the solid dielectric. This gave the dielectric constant K of the material.

This may be Aquilaria agallochum, a native of East India and China, which supplies the so-called eagle-wood or aloes-wood, which contains much resin and oil.

Porous carbon blocks, made by strongly heating a mixture of powdered charcoal with oil, resin, &c., were introduced about a generation later, and subsequently various preparations of iron (spongy iron, magnetic oxide) found favour.

Buried in this clay-marl are found large deposits of the fossil resin which becomes the kauri gum of commerce; and on the surface extensive forests are still a great though diminishing source of wealth.

The drug, along with gum, fatty oils, and malates of magnesium and calcium, contains also about 1% of cubebic acid, and about 6% of a resin.

The transverse fracture has a resinous appearance with white streaks; the flavour is bitter and aromatic, and the odour characteristic. It consists of a mixture of resin, gum and essential oil, the resin being present to the extent of 25 to 40%, with 21to 8% of the oil, myrrhol, to which the odour is due.

Germain, Versailles and Trianon, while a portion of the ancient principality of resin (Teschen) was adjudicated to it by the Paris Conference (July 1920).

It is much employed for house-building; most of the picturesque log-houses in Vaud and the adjacent cantons are built of squared larch trunks, and derive their fine brown tint from the hardened resin that slowly exudes from the wood after long exposure to the summer sun; the wooden shingles, that in Switzerland supply the place of tiles, are also frequently of larch.

Real larch turpentine is a thick tenacious fluid, of a deep yellow colour, and nearly transparent; it does not harden by time; it contains 15% of the essential oil of turpentine, also resin, succinic, pinic and sylvic acids, and a bitter extractive matter.

According to Pereira, much sold under the name of Venice turpentine is a mixture of common resin and oil of turpentine.

Their merchandise consists of sheep and goats, gum and resin, skins and ostrich feathers.

The resins which are obtained as natural exudations are in general mixtures of different, peculiar acids, named the resin acids, which dissolve in alkalis to form resin soaps, from which the resin acids are regenerated by treatment with acids.

Examples of resin acids are abietic (sylvic) acid, C19H2802, occurring in colophony, and pimaric acid, C20H3002, a constituent of gallipo resin.

A typical resin is a transparent or translucent mass, with a vitreous fracture and a faintly yellow or brown colour, inodorous or having only a slight turpentine odour and taste.

Amber (q.v.) is a fossil resin.

As in other cell-walls, so here the older membranes may be altered by deposits of various substances, such as resin, calcium oxalate, colouring matters; or more profoundly altered throughout, or in definite layers, by lignification, suberization (Trametes, Daedalea), or swelling to a gelatinous mucilage (Tremella, Gymnosporangium), while cutinization of the outer layers is common.

Among those directly visible to the microscope are oil drops, often coloured (Uredineae) crystals of calcium oxalate (Phallus, Russula), proteid crystals (Mucor, Pilobolus, &c.) and resin (Polyporei).

It is also formed in the destructive distillation of many substances, as wood, coal, caoutchouc, bones, resin and the fixed oils.

It is remarkable for the large quantity of resin it contains, the weight of the wood, which is about 48 lb per cub.

The timbers in the second class are obtained from non-coniferous trees, containing no turpentine or resin, and are given the general name of hard woods.

Pistacia khinjak affords a mastic. The fruit, mixed with its resin, is used for food by the Achakzais in Southern Afghanistan.