摘要:
Provided are a cosmetic composition which is an O1/W/O2 emulsion composition and contains, in the oil phases O1 and O2 thereof, fine metal oxide particles having ultraviolet screening ability; and a preparation process of the cosmetic composition.
摘要翻译:本发明提供一种化妆品组合物,其为O1 / W / O2乳液组合物,在其油相O1和O2中含有具有紫外线遮蔽能力的金属氧化物微粒; 以及该化妆品组合物的制备方法。
摘要:
Provided is an O/W emulsion cosmetic composition, which contains the following components (A), (B) and (C): (A) a polymer which is either a nonionic or cationic polymer composed of a hydrophobic monomer unit and a hydrophilic monomer unit and contains from 40 to 80 wt.% of a hydrophilic group; (B) a dispersion containing the following components (a), (b), (c) and (d): (a) powders having ultraviolet screening ability and having a surface subjected to hydrophobic treatment, (b) a polymer composed of a hydrophobic monomer unit and a hydrophilic monomer unit, (c) a silicone oil, and (d) an alcohol having from 1 to 3 carbon atoms, at an (a):(b):(c):(d) weight ratio of (from 25 to 65):(from 0.1 to 5):(from 10 to 50):(from 10 to 50); and (C) water.
摘要:
A process for producing saccharide, including saccharifying decrystallized cellulose prepared from a raw material containing cellulose having cellulose I-type crystallinity of more than 33%, the process including: treating the cellulose-containing raw material by means of a mill to reduce the cellulose I-type crystallinity of the cellulose to 33% or less, wherein the cellulose- containing raw material has a cellulose content of a residue obtained by removing water from the cellulose-containing raw material of 20% by weight or more, to thereby prepare decrystallized cellulose, and causing a cellulase and/or a hemicellulase to act on the decrystallized cellulose.
摘要:
The invention relates to a highly productive process for producing decrystallized cellulose which includes treating a cellulose-containing raw material by means of a mill, wherein the cellulose-containing raw material has a cellulose content of a residue obtained by removing water from the cellulose-containing raw material of 20 mass% or more, has a cellulose I-type crystallinity of cellulose more than 33% as calculated from the following formula (1): Cellulose I - type Crystallinity % = I 22.6 - I 18.5 / I 22.6 x 100 wherein I 22.6 is a diffraction intensity of a lattice plane (002 plane) as measured at a diffraction angle 2θ of 22.6° in X-ray diffraction analysis; and I 18.5 is a diffraction intensity of an amorphous moiety as measured at a diffraction angle 2θ of 18.5° in X-ray diffraction analysis, and has a water content of 1.8 mass% or less, to thereby reduce the cellulose 1-type crystallinity to 33% or less.
摘要翻译:本发明涉及生产非晶纤维素的高效生产方法,其包括用研磨机处理含纤维素的原料,其中含纤维素的原料具有通过从含纤维素的水中除去水而得到的残留物的纤维素含量 原料为20质量%以上,纤维素I型结晶度%= I 22.6〜I 18.5 / I 22.6×100,纤维素I型结晶度为33%以上。 I 22.6是在X射线衍射分析中在22.6°的衍射角2θ下测定的晶格面(002平面)的衍射强度; I 18.5是在X射线衍射分析中在18.5°的衍射角2θ下测定的非晶部分的衍射强度,水含量为1.8质量%以下,由此降低纤维素1型结晶度 至33%以下。
摘要:
Provided are a cosmetic composition which is an O1/W/O2 emulsion composition and contains, in the oil phases O1 and O2 thereof, fine metal oxide particles having ultraviolet screening ability; and a preparation process of the cosmetic composition.
摘要:
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 containing a cellulose having a cellulose I-type crystallinity of more than 33% as calculated from the following formula: Cellulose I - type Crystallinity % = I 22.6 - I 18.5 / I 22.6 x 100 wherein I 22.6 is a diffraction intensity of a lattice plane (002 plane) as measured at a diffraction angle 2θ of 22.6° in X-ray diffraction analysis; and I 18.5 is a diffraction intensity of an amorphous moiety as measured at a diffraction angle 2θ of 18.5° 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 3 , and a content of the cellulose in a residue obtained by removing water from the cellulose-containing raw material is 20% by weight or more.
摘要翻译:本发明涉及以高效率的方式从含纤维素原料生产具有降低的纤维素I型结晶度的脱结晶纤维素的方法,该方法具有优异的生产率。 根据本发明,提供了一种从含有纤维素I型结晶度大于33%的纤维素的原料生产非结晶纤维素的方法,由下式计算:纤维素I型结晶度%= I 22.6 - I 18.5 / I 22.6 ¢x 100其中I 22.6是在X射线衍射分析中在22.6°的衍射角2θ处测得的晶格面(002平面)的衍射强度; I 18.5是在X射线衍射分析中在18.5°的衍射角2θ下测定的无定形部分的衍射强度,该方法包括使用中型磨机处理含纤维素原料的步骤,以减少 纤维素的纤维素I型结晶度为33%以下,其中,所述含纤维素原料的堆积密度为100〜500kg / m 3,通过从水中除去水得到的残留物中的纤维素含量 含纤维素原料为20重量%以上。
摘要:
Provided is an O/W emulsion cosmetic composition, which contains the following components (A), (B) and (C): (A) a polymer which is either a nonionic or cationic polymer composed of a hydrophobic monomer unit and a hydrophilic monomer unit and contains from 40 to 80 wt.% of a hydrophilic group; (B) a dispersion containing the following components (a), (b), (c) and (d): (a) powders having ultraviolet screening ability and having a surface subjected to hydrophobic treatment, (b) a polymer composed of a hydrophobic monomer unit and a hydrophilic monomer unit, (c) a silicone oil, and (d) an alcohol having from 1 to 3 carbon atoms, at an (a):(b):(c):(d) weight ratio of (from 25 to 65):(from 0.1 to 5):(from 10 to 50):(from 10 to 50); and (C) water.