Liquid paraffin

About: Liquid paraffin is a research topic. Over the lifetime, 6185 publications have been published within this topic receiving 52956 citations.

Soft fibrous web and production thereof

Abstract: PURPOSE: To obtain a soft tissue paper highly safe to the skin, excellent in skin touch, esp. dampish feel, also producing little paper powder, thus suitable for pollinosis or rhinitis. CONSTITUTION: This soft fibrous web, a tissue paper, is obtained by t impregnating a tissue paper material 10-55g/m 2 in basis weight under the standard conditions of 20°C and 65% RH with 1-130wt.% of a medicinal liquid consisting mainly of 5-20-wt.% of liquid paraffin, 50-85wt.% of a polyhydric alcohol, 3-30wt.% of a saccharide and ≤5wt.% of a nonionic surfactant. COPYRIGHT: (C)1995,JPO

Special fertilizer for watermelon base fertilizer as well as preparation method of special fertilizer

Abstract: The invention provides a special fertilizer for a watermelon base fertilizer. The special fertilizer is prepared by the following raw materials by weight: 10-20 parts of oil tea cakes, 5-6 parts of coated urea, 20-25 parts of ammonium dihydrogen phosphate, 18-22 parts of coated potassium chloride, 20-30 parts of bentonite, 0.2-0.5 parts of ferrous sulfate, 1-2 parts of zinc sulfate, 0.1-0.3 part of manganese sulfate, 10-12 parts of attapulgite, 5-7 parts of plant ashes, 3-4 parts of neem bark powders, 3-4 parts of bone powders, 10-15 parts of bagasse, 10-15 parts of potassium feldspar, 18-22 parts of municipal sludge, 3-4 parts of carboxymethylcellulose, 15-20 parts of 30% of sulfuric acid, 5-10 parts of limes, 10-15 parts of animal hairs and 4-6 parts of liquid paraffin. A preparation method for the special fertilizer comprises the steps as follows: carrying out acidolysis on the hairs to obtain amino acid; generating an amino acid chelated micro or medium fertilizer solution; sintering the potassium feldspar to prepare a fertilizer carrier; fermenting by an organic fertilizer; mixing a nitrogen-phosphorus-potassium mixed fertilizer and the carrier with the organic fertilizer and a plant insecticide; spraying the amino acid chelated micro or medium fertilizer solution; granulating; and coating with the liquid paraffin at last. According to the special fertilizer, the utilization rate of fertilizer efficiency can be remarkably increased, the slow release effect is achieved, the fertilizing amount is reduced, and the pesticide residues are reduced, so that the yield of watermelon is increased and the quality of watermelon is increased.

The Fungicidal Properties of Certain Spray-Fluids, VIII. The Fungicidal Properties of Mineral, Tar and Vegetable Oils

Abstract: The following substances proved fungicidal for the conidial stage of the hop mildew ( Sphaerotheca Humuli ): (1) Liquid paraffin at 2 per cent. emulsified with soft soap. The spray is harmless, or dangerous, to foliage according to the conditions (probably temperature) in the greenhouse. (2) Medicinal paraffin, emulsified with 0·75 per cent. castor-oil soap, is not quite fungicidal at 3 per cent. (3) “Summer solol”, a proprietary mineral-oil preparation containing 61·6 per cent. by weight high-boiling petroleum oils, is fungicidal at a concentration between 2·5 and 3 per cent. when 0·5 per cent. soft soap is added to confer satisfactory spreading properties. At this concentration no injury to the leaves was caused. (4) “Volck”, a proprietary petroleum-oil preparation containing 80·0 per cent. by weight mineral oils, is fungicidal at 2·5 per cent. With either 0·5 per cent. soft soap or 0·5 per cent. Agral I. Injury may be caused under certain conditions.

Effect of the reaction atmosphere on high-density polyethylene functionalized by ultraviolet irradiation

Abstract: The structure and hydrophilicity of high-density polyethylene (HDPE) functionalized by ultraviolet irradiation in air and O2 were studied with Fourier transform infrared, X-ray photoelectron spectroscopy, differential scanning calorimetry, and contact-angle measurements with water and liquid paraffin. The results showed that CO, C(O)O, and CO functional groups were introduced onto molecular chains of HDPE during irradiation in air and O2, and their contents increased with the irradiation time. The number of oxygen-containing groups of HDPE irradiated in O2 was much higher than that in air. A higher functionalization efficiency for HDPE was achieved by irradiation in O2. After the irradiation, the contact angle of HDPE with water became smaller, the contact angle of HDPE with liquid paraffin became larger, and the surface tension increased; this showed that the hydrophilicity of irradiated HDPE was improved. HDPE irradiated in O2 exhibited better hydrophilicity than HDPE irradiated in air. Furthermore, with an increase in the irradiation time, the melting temperature of HDPE decreased, and the heat of fusion and the degree of crystallinity increased. © 2003 Wiley Periodicals, Inc. J Appl Polym Sci 00: 2326–2329, 2004

Preparation of hydrogel

Abstract: PURPOSE: To obtain a granular or spherical hydrogel of high water absorption having a sufficient gel strength, by the reverse phase water-in-oil type suspension polymerization of an α, β-unsaturated acid (alkali metallic salt) with a specific hydrocarbon oil (fat) as an anti-tack agent. CONSTITUTION: An α, β-unsaturated acid (alkali metallic salt) monomer, e.g. (meth)acrylic acid (Na salt) is subjected to the reverse phase water- in -oil type suspension polymerization in a medium, e.g., n-hexane, with a hydrocarbon oil (fat), e.g. liquid paraffin, cottonseed oil, soybean oil or lard, having a boiling point above the drying temperature of the recovery system of a hydrogel, preferably 50°C or more higher than the drying temperature and a melting point below the separating operation temperature of the hydrogel from the solvent, preferably 20°C or more lower than the separating operation temperature. The anti-tack agent may be added before or during the polymerization or at a suitable time after the completion of the polymerization. EFFECT: Special pulverizing treatment is not required, and the method is simple and economical. COPYRIGHT: (C)1982,JPO&Japio