Disclosed is a blown film or sheet material comprising a broad molecular weight distribution propylene polymer material having a molecular weight distribution Mw/Mn, of about 4 to about 60, a melt flow rate of about 0.5 to about 50 dg/min, and xylene insolubles at 25.degree.C of greater than or equal to 94%. A mixture of the broad molecular weight distribution propylene polymer material and a hete...

When turning the power switch on, the user selects either one of the wool or boiling wash. In case it is wool, the microcomputer(20) turns on the cool water drive part(28A) and supplies water, continuing washing with water supply going on, when the water temperature is not proper, it gives out an alarm and opens the cool water valve, if the boiling wash is selected, it turns the hot water valve(A)...

A heavy metal was dissolved by an acid treatment of the dust from an electirc furnace for steel or iron plant and a blast jurnace, followed by the heat-treatment and immobilization using the rice hull. The dissolved liquid was heat-treatmented at 450- 750 deg. C for 15- 180 minutes with the rice hull adjusting pH 2-4 by 1-10 wt.% of nitric acid to give a concrete admixture to increase a strength.

Mixture(A) composed of MgSiO3 10%, CaSO4 4%, MgO 45% with particle size 0.08mm or less and mixture(B) composed of NH4Cl 1%, MgCl25H2O 40% with particle size 0.1mm or less are admixed at ratio A:B of 65wt%:45wt% to give waterproofing cement having no freezing phase under -10deg.C, excellent waterproofing effect and good adhesivity.

A laundry washing machine in which a suitable level of water is automatical ly determined for any particular load size. The machine is operated to first determine an initial estimation of the clothes load and to then fill to a water level suitable to the initial load estimation. The machine is then operated in such a way to check if the estimated water level is actually sufficient for the clothes...

A mixture of calcium carbonate 0.5-0.7wt.%, glass enamel-alkaline silicate 2wt.% and bauxite-wollastonite 1.5-6wt.% is mixed with glass powder for forming a lightweight layer which is made of heat-foamy inorganic materials. The free pellets comprising pigment is less than 1.5wt.% and zirconium, alumina or their mixture is less than 2.0wt.% are coated more than 1 time with a mixture containing is ...

To provide artificial stone made using synthetic resin chip for room floor material, crushing synthetic resin which was prepared by adding the colored synthetic resin into back cement or general portland under 10mm to make chip having particle size distribution of 80% with particle size 5-8mm and 20% with the below, mixing cement at weight ratio 50:50, mixing fine silica sand which passed through ...

A high strength, water-permeable resin pavement composition consists of thermosetting resin 2-20wt.% such as epoxy, unsaturated polyester, vinyl ester, urethane, phenolic, melamin, and urea resin on the basis of granular aggregate 100wt.%, fibrous inorganic matter 2-28wt.% such as glass fiber(wool), asbestos and rock wool and powdery inorganic matter 5-200wt.% such as silica sand, ceramic powder, ...

140-160 G of MgSO4.7H2O salt dissolved in 300 ml of neutral water was reacted by the addition of 0.1- 0.5 ml solution containing 0.3- 0.5 g of polyacrylamide in 100 ml of neutral water, followed by stirring with 150- 200 rpm for 30 minutes. 600- 700 ml of 8 %- aluminium sulfate solution and 0.01-0.02 g of boric acid were mixed with the obtained aqueous solution to give a hardener for the gypsum bo...

The acoustic absorber having water resistance and fireproofness was prepared by the following steps; 1) 0.4- 0.6 wt.% of an animal protein base, 0.05- 0.01 wt.% of an aluminium powder and hydroxycarboxylic surfactants were mixed in water, and stirred firstly at 3- 8 m/sec of linear velocities for 60- 90 seconds in a foam generating stirrer, 2) stirred secondly adding calcium hydroxide, alumina cem...

To produce a cement waterproofing agent, adding carbon black with a diameter 30-40mesh, polypropylene, polyethylene oxide, animal oil having a solid content of 40-80wt% which dissolved in tetrachloroethane into the polymerized asphalt from polymerization of a straight asphalt and styrene monomer, heating and mixing at 140-160 deg.C , adding polyemulsion(ex. polyvinylacetate, polystyrene, methyl or...

A disposable diaper (10) having an improved leg cuff (50). The disposable diaper (10) is provided with an elastic member (18) which is affixed to the diaper at its ends and unaffixed in its central portion. The elastic member (18) is contained between seams having bond portions (68) and hinge portions (70).

A device for etching silicon wafers has a holder (1) for the silicon wafers. Provided in the surface (9, 10) of this holder which faces the silicon wafer (11) is an annular nozzle (8) which can be fed with compressed gas to form a gas cushion between the holder (1) and the silicon wafer (11). The gas emerging between the wafer (11) and the holder (1) prevents treatment liquid from reaching the und...

A beam or girder joint element is formed by a flat plate member composed of: (a) column connecting plate portion having a plurality of pin receiving holes and a vertical slit; and (b) a beam or girder connecting plate portion formed as a unitary structure with the column connecting plate portion on at least one side thereof and having a pin receiving hole, a plurality of bolt holes and a V-shaped ...

The porous laminated ceramics having different porosities was prepared by the following steps; 1) a slurry was obtained by mixing 100:0- 30:70 ratio of the ceramic powder and the hollow spherical polymer precursors powder, 2) the ceramic powder/porous precursors composite tape was obtained by tape casting the slurries, 3) the laminates were obtained by laminating the composite tape at 65 deg.C, 10...

Dielectric composition(1-y)CaTiO3-y(Zn1-x/2Mgx/2Ti1/2)O3 is claimed. In formula x is from 0 to 1.0, y is more than 0.3 at least 0.9. In an example, a mixed powder of CaCO3, La2O3, TiO2, ZnO, and MgO is sintered at 1,050 deg.C for 10 hr, crushed, sintered at 1,200-1,300 deg.C to give a synthetics which is crushed and sintered at 1,500-1,650 deg.C. Measured frequency is 8-12 HGz, temperature range i...

Material comprises a basic compsn.(1) (1-y)SrTiO3-y(La(1-x)Ndx)(Mg1/2Ti1/2)O3(where x=0-0.99 and y=0.4-0.9) which reduces the dielectric loss.

Dielectric ceramic composition for high-frequency wave is described which has high quality coefficient(Q value) and dielectric constant, and good temperature coefficient of resonance frequency. The dielectric ceramic composition may be represented as following formula: (1-z)(Sr1-yCay)TiO3-yLa(Zn1-x/2Mgx/2Ti1/2)O3, where, x is from0 to 1.0, y is from 0.01 to 0.99 and z is from 0.4 to 0.7. The diele...

Dielectric ceramic composition for high-frequency wave is described which has high quality coefficient(Q value) and dielectric constant, and good temperature coefficient of resonance frequency. The dielectric ceramic composition may be represented as following formula: (1-y)SrTiO3-yLa(Zn1-x/2Mgx/2Ti1/2)O3, where, x is from 0 to0.99 and y is from 0.4 to 0.9. The dielectric composition accordingto ...