Kao Corporation

Munehisa Okutsu

Tomohito Kitsuki

Katsumi Kita

Yoshiaki Fujikura

Mitsuru Uno

Shinji Yano

Junichi Fukasawa

Takeshi Ihara

Atsushi Nagasawa

Ryoichi Hashimoto

Keiichiro Tomioka

Hironori Kawasaki

Masahiro Umehara

Naoki Nojiri

Hirofumi Nakanishi

Masanori Takai

Kojun Oshiro

Toru Nishioka

Akira Akaogi

Kohei Nakanishi

Akinori Ogawa

Takako Kawano

The present invention relates to [1] a plasticizer for a halogen-based resin containing a mixture of didecyl phthalates each containing a linear or branched Calkyl group, in which a content of di-n-decyl phthalate in the mixture is not less than 48 mol % and not more than 70 mol %; [2] a plasticizer composition for a halogen-based resin containing the aforementioned plasticizer; and [3] a halogen-based resin composition containing a halogen-based resin and the aforementioned plasticizer. The plasticizer of the present invention has an excellent plasticizing effect on a halogen-based resin and at the same time, can exhibit excellent effects of improving all of productivity, processability, kneading properties and heat resistance without deterioration in the respective properties.

Plasticizer for halogen resins

A sheet for thermoforming made of a polylactic acid resin composition containing a polylactic acid-based resin, a plasticizer, and a crystal nucleating agent, wherein the sheet has a thickness of from 0.1 to 1.5 mm, and wherein Re (cal) calculated by the following formula (A): Re (cal)=Re (obs)/d&#xd7;10(A), wherein Re (obs) is a phase difference (nm) measured at a wavelength selected from wavelengths of from 380 to 780 nm, and d is a thickness (mm) of the sheet, is within the range of 0.001&#xd7;10&#x2264;Re(cal)&#x2264;1&#xd7;10. The sheet for thermoforming of the present invention has a wide moldable temperature region, so that the sheet can be suitably used in various applications such as food containers, packaging materials for daily sundries and household electric appliances, industrial trays of industrial parts, and the like.

Polylactic acid resin sheet for thermal molding use

The present invention relates to a process for selectively producing a cellulose ether derivative with a very high reaction efficiency of an organohalide compound. There is provided a process for producing a cellulose ether derivative such as carboxymethyl cellulose and hydroxyethyl cellulose in which a low-crystalline powdery cellulose having a crystallinity of 50% or less is reacted with an organohalide compound such as ethylene chlorohydrin, a monohaloacetic acid and a salt of the monohaloacetic acid in the presence of a base.

Method for producing cellulose ether derivative

The present invention relates to a process for efficiently producing methyl cellulose in an industrially convenient manner. The production process of the present invention includes the step of reacting cellulose with methanol in a subcritical state.

Method for producing methyl cellulose

The present invention relates to a process for producing a decrystallized cellulose having a reduced cellulose I-type crystallinity from a cellulose-containing raw material in an efficient manner with an excellent productivity. In accordance with the present invention, there is provided a process for producing a decrystallized cellulose from a raw material comprising at least 20% by weight, based on the weight of the raw material excluding water contained therein, of a cellulose having a cellulose I-type crystallinity of more than 33% as calculated from the following formula:Cellulose-type Crystallinity (%)=[()/]&#xd7;100wherein Iis a diffraction intensity of a lattice plane (002 plane) as measured at a diffraction angle 2&#x3b8; of 22.6&#xb0; in X-ray diffraction analysis; and Iis a diffraction intensity of an amorphous moiety as measured at a diffraction angle 2&#x3b8; of 18.5&#xb0; in X-ray diffraction analysis, the process including the step of treating the cellulose-containing raw material using a media-type mill to reduce the cellulose I-type crystallinity of the cellulose to 33% or less, wherein the cellulose-containing raw material has a bulk density of from 100 to 500 kg/m.

Process for producing noncrystalline cellulose

The present invention relates to a process for producing glycidol from glycerol carbonate as a raw material with a high yield. The process for producing glycidol according to the present invention includes the steps of (1) reducing a content of a salt having a weak acidity in glycerol carbonate to 1500 ppm by mass or less; and (2) obtaining the glycidol from the glycerol carbonate.

Process for production of glycidol

This invention relates to a palladium catalyst comprising a mesoporous aluminosilicate which has been treated with ammonia or a salt thereof, and palladium supported on said mesoporous aluminosilicate; and also to a process for producing an ether, which comprises reacting a cyclic acetal and hydrogen in the presence of the palladium catalyst.

Palladium catalyst and process for producing ether

Process for production of monoalkyl ethers

The present invention provides a simple and inexpensive process for preparing glycerol carbonate. Namely, according to the present invention, glycerol carbonate is prepared by reacting glycerol with urea.

Process for the preparation of glycerol carbonate

The present invention provides a process for preparing an alcohol derivative, where the alcohol derivative is an ester, acetal, ketal, ether glycoside, or alkyl glycoside, by reacting an alcohol with a carbonyl compound, alcohol, olefin, epoxy compound or saccharide, where C vicinal alkylene oxides are excluded, in the presence of (A) an aluminum alkoxide and (B) sulfuric acid or phosphoric acid.

Process for preparing alcohol derivatives

Aluminum compounds and use thereof

Polyvalent metal salts of phosphoric diester and organo(poly)siloxanes

Phosphoric diesters having formula (1): ##STR1## wherein R.sup.1 is an acyl group having at least one phenyl group; R.sup.2 is a C.sub.2-12 linear or branched alkylene group which may optionally be inserted with an oxygen atom between carbon atoms thereof; L is a C.sub.2-40 linear or branched alkyl group which may optionally be inserted with an oxygen atom between carbon atoms thereof or the group R.sup.1 -O-R.sup.2 ; M is a hydrogen atom, an alkali metal ion, a metal ion of di- or higher valence, an ammonium group, an alkanolammonium group having 2 to 14 carbon atoms, C.sub.1-14 alkylammonium group; and n is the valence of M are useful UV absorbing compounds. The phosphoric diesters remain on the skin for long periods of time and exhibit lasting UV shielding effects. The compounds and the cosmetic compositions containing the compounds are very safe to the skin.

Growing community of inventors

Wakayama, Japan

Munehisa Okutsu