Abstract: A protein is immobilized by a simple and effective method on a porous polymeric support by a first soaking in a dilute long-chain cationic solution and a second soaking in a dilute aqueous protein solution. The long chain cationic is preferably a nitrogen compound such as a diamine having at least one alkyl or alkenyl group containing at least eight carbon atoms. A preferred diamine is N-coco-1,3-diamino-propane. The protein may be an enzyme or hormone. A preferred enzyme is catalase or a two enzyme system of catalase and glucose oxidase.

Abstract: A method for the manufacture of urethane-modified polyisocyanurate foams in which an isocyanate is blended with a "B" side comprising a polyol blend, a surfactant, a blowing agent, and a catalyst. The polyol blend comprises at least 5% (wt.) of a mixture of a polyalkoxylated amine and a polyalkoxylated quaternary ammonium borate ester, at least 40% (wt.) of a resin polyol, with any remainder being a polyether or polyester polyol. All components of the "B" side will remain a homogeneous liquid without phase separation and without the need for agitation for at least 3 days after blending. The resin polyols are preferably moderate viscosity, aromatic polyester polyols derived from polycarbomethoxyl-substituted diphenyls, polyphenyls, and benzyl esters of the toluate family.

Abstract: A method for the manufacture of polyisocyanurate foams which comprises blending a "B" side with an "A" side comprising an isocyanate. The "B" side comprises a diol, an amine/quaternary ammonium borate ester blend, a surfactant, a blowing agent, and a catalyst which is present in amounts up to about 20% of the total weight of the "B" side. The "B" side remains a homogeneous liquid for at least three days without the need for agitation and the foam formed by this method has a friability not exceeding 30%.

Abstract: A bulking device for making loop yarn, comprising a base with a blowing chamber, a pin insert with a yarn feeding channel and a jet insert with a yarn delivery channel, followed by a diffusor having resonance chamber just behind the inlet cross section from the yarn delivery channel.

Abstract: A laminate comprising an insoluble, intractable relatively thick layer of a polyimide bonded tightly onto a metallic substrate without the necessity for an intermediate adhesive bonding layer and a process for preparing such by directly extruding a polyamic acid polyimide-precursor onto said substrate and converting said polyamic acid to the polyimide in a single pass in at least two heating stages.

Abstract: Novel microporous polymers in forms ranging from films to blocks and intricate shapes from synthetic thermoplastic polymers, such as, olefinic, condensation, and oxidation polymers, are disclosed. In one embodiment the microporous polymers are characterized by a relatively homogeneous, three-dimensional cellular structure having cells connected by pores of smaller dimension. Also disclosed are microporous polymer products which contain relatively large amounts of functionally useful liquids and behave as solids.

Abstract: A method for the manufacture of urethane-modified polyisocyanurate foams in which an isocyanate is blended with a "B" side comprising a polyol blend, a surfactant, a blowing agent, and optionally, a catalyst. The polyol blend comprises at least 5% (wt.) of a mixture of a polyalkoxylated amine and a polyalkoxylated quaternary ammonium borate ester, at least 45% (wt.) of a resin polyol, with any remainder being a polyether or polyester polyol. All components of the "B" side will remain a homogeneous liquid without phase separation and without the need for agitation for at least 3 days and 7 days after blending.

Abstract: Floor covering material for stables, in particular for tie-stall cowsheds, consisting of a top layer impermeable to moisture and a compressible central layer, the underside showing a honeycomb-like structure, having hump-like projections on the surfaces thereof and a fabric attached to the humps of the honeycomb structure is arranged on the back of the matting.

Abstract: A new compound is disclosed having the formula: ##STR1## wherein R is a C.sub.8 to C.sub.22 aliphatic group. The new compound is liquid at ambient temperatures and is useful as an asphalt emulsifier. Also disclosed are asphalt emulsions containing said compound.

Abstract: There is disclosed a substantially skinless microporous polypropylene membrane characterized by having(a) a bubble point of about 25 to about 50 psi;(b) a thickness of about 3 to about 7 mils;(c) a nitrogen flow rate of at least 0.5 liters per square centimeter-minute;(d) a burst strength of at least 10 psi; and(e) an S value of about 15, or less.There is also disclosed a method of preparing a microporous polypropylene membrane comprising heating a mixture of about 30 percent polypropylene and about 70 percent, N,N-bis(2-hydroxyethyl)tallowamine, by weight, to a temperature and for a time sufficient to form a homogeneous solution, casting or extruding said solution at a thickness of about 3 to about 7 mils, onto a chill roll maintained at a temperature of from about 50.degree. to about 80.degree. C.

Abstract: There is disclosed an anticaking composition comprising a dispersion of an alkyl or cycloalkyl amine, either unneutralized or as a salt, in a liquid medium comprising a water-in-oil emulsion containing from about 5 to about 60 percent, by weight, of water.There is also disclosed a method of treating hygroscopic or water soluble material in particulate form comprising contacting said material with an anticaking composition which comprises a dispersion of an alkyl or cycloalkylamine in a liquid medium comprising a water-in-oil emulsion containing from about 5 to about 60 percent, by weight, of water, in an amount sufficient to reduce the tendency of said material to agglomerate.

Abstract: Novel phosphoramidates of the general formula: ##STR1## wherein R, R' and R" represent certain specified substituent groups, are useful as stabilizing agents for organic materials, such as natural and synthetic rubbers and lubricating oils. The combined use of these compounds with certain sulfur-containing compounds shows a surprising synergistic effect.

Abstract: A pipe and sleeve telescoped joint with the pipe and sleeve in sealing engagement and keys embedded in both pipe and sleeve at their interface. The size and number of the keys are calculated from the size and strength of the pipe. The sleeve is sized and its strength selected from the strength of the pipe, and the sleeve ends are shaped to hold the joint circular when it is made. The apparatus includes means for holding the midportion of the sleeve circular when creating the joint, and for cooperating with the sleeve ends to keep them circular. The sealing engagement is created by firing a propellant into a substantially incompressible medium, like water, held by the apparatus in a cavity about the sleeve, and a piston separates the explosive propellant from the pressure medium.

Abstract: A composite material consisting of at least three layers joined by welds, wherein, in order to prevent the intrusion of cold, as well as to improve the hand, the points of fusion do not join all layers, but in each case only a part thereof. It is especially suitable for the manufacture of clothing and bedding. A new process and apparatus for its manufacture is also disclosed.

Abstract: A process is disclosed for selectively making trans-cyclohexane-1,4-diisocyanate, trans-cyclohexane-1,4-diamine, a trans-cyclohexane-1,4-diurethane, a trans-cyclohexane-1,4-diurea and trans-cyclohexane-1,4-disulphonyl urea by reacting ammonia with a mixture of cis and trans cyclohexane-1,4-dicarboxylic acid, a lower alkyl ester, a glycol ester, an oligomeric ester or a polyester to make a solid trans-dicarboxylic acid diamide in a first step. The diamide is chlorinated to form trans-cyclohexane-1,4-dicarboxylic acid-bis-N-chloramide.

Abstract: Novel compounds having the general formula: ##STR1## are disclosed, wherein R.sub.1 is selected from the group including C.sub.5 -C.sub.22 alkyl or alkenyl; R.sub.3 and R.sub.5 are independently selected from the group including hydrogen or C.sub.1 -C.sub.12 alkyl or alkenyl; R.sub.4 is either --(CH.sub.2 CH.sub.2 O).sub.z H, or ##STR2## or C.sub.5 -C.sub.22 alkyl or alkenyl; x, y, and z are integers of 1 or more and whose sum is between 2 and 15; and X.sup..crclbar. is an anion, preferably bis-(ethylene)borate. These ethoxylated quaternary benzyl compounds are useful as fabric softeners.

Abstract: A pinch-type shut-off, pressure- or flow-regulating valve having a flexible tube extending through a valve body wherein the flexible tube is pinched off by the action of an eccentric cam attached to a motor. As the eccentric cam is rotated the flexible tube can be pinched off as it presses against the opposing wall inside the valve body. A number of positions of pinching off can be achieved and a microswitch can be available to locate the position of the eccentric cam.

Abstract: New polyether derivatives obtained by gradually adding at temperatures between 100.degree. and 200.degree. C. a long-chain 1,2-epoxide having a chain length of 10 to 32 carbon atoms to either (1) polyethylene glycol monoalkyl ether whose mean molecular weight is 400 to 2500 and whose alkyl group contains 1 to 3 carbon atoms; or to (2) a polyethylene glycol-polypropylene glycol monoalkyl ether whose mean molecular weight is 450 to 3100, whose recurring ethylene oxide units and propylene oxide units form a block each, the polypropylene glycol block having a mean molecular weight of not more than 600 and whose alkyl group forms the end of the polyethylene glycol block and contains 1 to 3 carbon atoms, using 0.1 to 1% by weight of alkali hydroxide related to the total amount of the starting substances.These polyether derivatives correspond to the general formula: ##STR1## wherein R.sub.1 represents an aliphatic hydrocarbon radical containing 1 to 3 carbon atoms;R.sub.

Abstract: There is provided a termination assembly for a cable shield which is particularly useful in connecting the shield to ground. The termination includes a tubular rivet for compressing a serrated ring into the shield for making electrical and mechanical termination. A resilient Belleville washer is compressed by the rivet for maintaining the termination.

Abstract: The present invention relates to a photopolymerizable composition comprising a polymerizable, polyethylenically unsaturated compound, benzil and/or fluorenone, a specific biphenyl ketone such as para-phenyl benzophenone, and a reducing agent such as a tertiary amine. The present composition permits rapid and complete curing. Moreover, in the photopolymerization of compounds sensitive to air inhibition non-tacky surfaces are obtained. The effect observed is based on a synergism between the present photoinitiators. The advantages of the invention are most manifest in curing relatively thick layers of materials.