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"PAPERAD" 774
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<br /> FP ara- A prefix,,For definition of para-com- °; benzene,ligroin,warm alcohol
<br /> either by machine application or{for heavyfinishes) pounds,see ortho-.For para-compounds,see specific =f tine, carbon disulfide and' o]
<br /> by brushes. 14�
<br /> : water and acids;sp.gr.0.880-�
<br /> Note:Wet paper stock and waste are flammable,and compound; para�resol is listed under cresol and
<br /> para-dichlorobenzene under dichlorobenzene. Combustible;essentially nontoJ
<br /> are considered as dangerous fire risks. }; (1981 C);autoignition temp.41r
<br /> Parabens. Trademark for the methyl, propyl, Grades:Yellow crude scale;whi
<br /> ..Parabens
<br /> „563 `'-
<br /> Further information can be obtained from the Tech- butyl, and ethyl esters of para-hydroxybenzoic
<br /> k nical Association of the Pulp and Paper Industry, ASTM; N.F. Also graded by
<br /> 360 Lexington Ave.,N.Y.(q.v.),or from the institute acid. Antimicrobial agents for foods and Pharma- w :;. and color.The higher-melting
<br /> of Paper Chemistry,Appleton,Wisconsin. ceukicals.Nontoxic.Approved by FDA. expensive.
<br /> See also fourdrinier;supercalender. '
<br /> paracasein. See casein. Containers: Kegs;cases(slabs);
<br /> "Paperad."'89 Trademark for a finely precipitated Hazard:(fume):Tolerance,2 m
<br /> trihydrated alumina pigment filler and extender for paracetaldehyde. See paraldehyde. FF air.
<br /> ' Uses: Candles;paper coating;p
<br /> use in the paper industry. Characterized by high ,Paracol."266 Trademark for a series of wax and ��: food products,beverages,etc.;;
<br /> brightness and blue-white color. wax-rosin emulsions produced from paraffin waxes, rations; hot-melt carpet bac]
<br /> mulch hot melt-coated pa
<br /> paperboard. Sheets of long-fiber unbleached kraft microcrystalline waxes, or combinations of these
<br /> paper laminated with phenolicresin or other adhesive waxes with rosin.Used to impart water resistance to matches;lubricants;crayons;s
<br /> N ;.
<br /> and compressed in thicknesses from l/16 to}inch or paper and allied materials. :, acid bottles; electrical insulae
<br /> more. Its many high-volume uses include boxes, "=40 , °' cosmetics;photography,anti-fr
<br /> cartons,fiber drums,book covers,and corrugated "ParacriL Trademark for a group of synthetic
<br /> rubbers of the Buna-N or nitrile type,produced by refining;packing tobacco prod
<br /> products.Inferior grades called chipboard are made the copolymerization ory Ff butadiene and acrylonitrile. ber products from sun-crackin;
<br /> from blends of groundwood, sawmill chips and
<br /> Resist deterioration by aliphatic hydrocarbon,min- � (to ASTM specifications).
<br /> waste paper mixed with adhesive and compressed. Paraflint." Trademark for a pc
<br /> In the industry, the term "board" is used'for all eral and vegetable oils,and animal fats and oils and
<br /> are particularly resistant to etroleum products. ”
<br /> P ,:
<br /> types. ! "Paracril"is also used as a plasticizer for vinyls and _ is white,odorless,and has conga
<br /> i Available in flaked form.Appr
<br /> paper chromatography (PC).A micro type of chroma other thermoplastic and thermosetting resins. :.
<br /> ' v. A drop of the liquid to be investi- a "Paraflow.n29 Trademark for a
<br /> tagraphy(q. )• P � "Parsdene"'r Trademark far low-priced,dark,flier-
<br /> I gated is placed near one end of a strip of paper.This or anic compounds of high mol
<br /> I end is immersed in solvent,which travels down the moplastic,coal-tar resins(coumarone-indene)avail- g P 8
<br /> are added to lubricating nils t
<br /> `I4 paper and distributes the materials present in the able in low to high softening point ranges;used in points.
<br /> rubber compounding. ",
<br /> ..� original drop selectively. Comparison with known "Para-Flux:i94 Trademark for a
<br /> subtances makes identification possible. paraffin (1)Also called alkane.Aclass of aliphatic based plasticizers for natural an
<br /> paper,costed. A paper that is covered on one or both. hydrocarbons. characterized by a straight or
<br /> branched carbon chain; generic formula C°Hr„+2: `paraformaldehyde (paraform)Hf
<br /> sides with a suspension of clays, starches; casein, .their physical form varies with increasing molecular , mer of formaldehyde in which n
<br /> rosin,wax,or combinations of these,to serve special weight from gases`(methane)to wax solids.They
<br /> purposes. Machine-coated paper is.required for g ) Y a.r to be confused with the trimer,
<br /> occur principally in Pennsylvania and Midcontinent b Properties: White solid with slit
<br /> standard book printing; the rather light coating is P P Y
<br /> !` applied by any of several devices(air-knife"trailing petroleum. 4dehyde; insoluble in alcohol at
<br /> 2 Paraffin wax(q.v.). strong alkali solution. The hi
<br /> i blade,or roll coater). Heavier coatings are applied { ) insoluble in water. Melting rangy
<br /> It;
<br /> by means of brushes or spreading devices.These are paraffin distillate. A distilled petroleum fraction .. Dint 160°F (710C) closed c
<br /> required for high-grade printing of magazines,art which,when cooled,consists of a mixture of crystal- Autoignition temp.572°F{300`
<br /> books, etc., where excellent photographic repro- line wax and oil.
<br /> Derivation: By evaporating an a
<br /> duction is essential.Special-purpose coatings,as for
<br /> �I packaging,are applied in a separate'operation. paraffin,chlorinated. A paraffin oil or wax in which formaldehyde.
<br /> some of the hydrogen atoms have been replaced by Forms: Flake;powder.
<br /> paper,synthetic. Paper or paper-like mateial made chlorine.Nonflammable;low toxicity.Used in high- Grades:Bags;carlots.
<br /> from a polyolefin;polypropylene is usually selected. pressure lubricants; as flame retardant in plastics Hazard: Moderately toxic by ing
<br /> {i Uses: Fungicides, bactericides,
<br /> A paper made from styrene copolymer fibers has and textiles;as plasticizer for polyvinyl chloride in
<br /> �i� been developed to production stage in Japan.Plastic- polyethylene sealants;and in detergents.
<br /> ers are available �, adhesives; hardener and water
<br /> coated cellulosic pap
<br /> ilable for children
<br /> books,posters,and similar applications. paraffin oil. An oil either pressed or dry�istilled
<br /> FI from paraffin distillate. Liquid petrolatum is also +,paraldehyde (2,4,6-trimethy]-1,3,
<br /> "papa.""' Trademark for polymethylene polyphenyli- known as paraffin oil.Combustible. C6 H,zO,.A cyclic polymer(trim
<br /> socyanate. A dark non-volatile liquid;average vis- Grades: B viscosity and color. A depressant drug. May be addi
<br /> +, Y Y Properties:Colorless liquid.Disag
<br /> cosity 250 cp at 25°C. Used in one-shot rigid Containers:Up to tank cars.
<br /> urethane foams. able odor.Decomposes on stanc
<br /> Uses; Floor treatment;lubricant.
<br /> "Papi"50.50%solution in monochlorobeniene.Used alkalies but slowly decompose
<br /> ;E in adhesives{rubber to metals and synthetic fabrics); paraffin wax {paraffin scale;paraffin}. whcn treated with a trace of mer
<br /> f' coating intermediate. Properties: White, translucent, tasteless, odorlessTi- with most organic solvents,vola
<br /> A ing water. Sp. gr. 0.9960 at 20°C/2
<br /> "papricol."34 Trademark for an oleoresin of paprika afliaigh molecular weight,e.g.
<br /> f.Cis Hh;Soluble in m.p. I20 C;vapor pressure 25..
<br /> [ for food coloring and flavoring.
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