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1. 发明专利

JPH08337507A POROUS CALCIUM CARBONATE CARRYING ANTIMICROBIAL METAL FINE PARTICLES 失效
公开(公告)号：JPH08337507A
公开(公告)日：1996-12-24
申请号：JP14772395
申请日：1995-06-14
申请人： DAISO CO LTD , SHIKOKU CHEM , MARUO CALCIUM
发明人： SUGA SHINJI , SAKAI TAKAAKI , HATA HAJIME , MARUOKA TOSHIHARU , SHIBATA HIROSHI , TAKIYAMA SHIGEO , AZUMA TOSHIO , FUJIWARA TOSHIO
IPC分类号： A01N25/08 , A01N25/12 , A01N59/06 , A01N59/16 , A01N59/26
摘要： PURPOSE: To obtain the subject substance exhibiting sufficient light resistance, antimicrobial effect and antimicrobial durability by adsorption-carrying antimicrobial metal fine particles obtained by a specific production method on the sun-face of porous calcium carbonate powder obtained by a specified production method. CONSTITUTION: Calcium carbonate powder obtained by adding a soluble phosphoric acid compound to an aqueous slurry of calcium carbonate and subsequently aging the mixture is brought into contact with the non-aqueous dispersion of antimicrobial metal fine particles to obtain the antimicrobial metal fine particlecarrying porous calcium carbonate having a BET ratio surface area of >=100m /g and an absorbed oil volume of >=140cc/100g. The metal fine particles are preferably silver fine particles. The held amount of the metal fine particles is 0.001-10wt.% based on the calcium carbonate. The calcium carbonate preferably has a cubic, fusiform or whisker-like shape. The solid content concentration of the calcium carbonate in the aqueous slurry is preferably 1-60wt.% based on the weight of the calcium carbonate.

2. 发明专利

JP2006001960A Slurry-like matting agent and flat coating composition comprising the same 审中-公开
标题翻译：浆糊类似物和包含其的平面涂料组合物
公开(公告)号：JP2006001960A
公开(公告)日：2006-01-05
申请号：JP2004176540
申请日：2004-06-15
申请人： Maruo Calcium Co Ltd , 丸尾カルシウム株式会社
发明人： UTO NARIATSU , TAKIYAMA SHIGEO
IPC分类号： C09D201/00 , C09D7/12
摘要： PROBLEM TO BE SOLVED: To provide a slurry-like matting agent for coating having excellent dispersibility and excellent matte effects for the coating and affording a matte coated film having a good texture without settling of particles in the slurry.
SOLUTION: The slurry-like matting agent comprises matting agent particles having at least particle surfaces composed of a calcium phosphate compound and satisfying (a) to (c). (a) 1≤dx1≤40 {wherein, dx1 is the average particle diameter (μm) of primary particles measured by an electron microscope photograph}, (b) 1≤α≤10 (wherein, α is the dispersion coefficient) and α=d50/dx1 {wherein, d50 is the 50% average particle diameter (μm) measured with a Microtrac FRA (R) laser type particle size distribution meter} and (c) 0≤β≤5 (wherein, β is the sharpness) and β=(d90-d10)/d50 {wherein, d90 is the cumulative 90% particle diameter (μm) on the sieve passage side measured with the particle size distribution meter; and d10 is the cumulative 10% particle diameter (μm) on the sieve passage side of matting agent particles measured with the particle size distribution meter}.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于涂料的浆料状消光剂，其具有优异的分散性和用于涂料的优异的无光泽效果，并提供具有良好织构的无光泽涂膜，而不会使浆料中的颗粒沉降。解决方案：浆状消光剂包括至少具有由磷酸钙化合物构成的颗粒表面并满足（a）至（c）的消光剂颗粒。（a）1≤dx1≤40其中，dx1是通过电子显微镜照片测量的一次粒子的平均粒径（μm）}，（b）1≤α≤10（其中，α是分散系数），α= d50 / dx1其中，d50是用Microtrac FRA激光粒度分布计测得的50％平均粒径（μm），（c）0≤β≤5（其中β为锐度），β =（d90-d10）/ d50ä其中，d90是用粒度分布计测量的筛子通道侧的累积90％粒径（μm） d10是用粒度分布计测定的消光剂颗粒的筛子通道侧的累积10％粒径（μm）。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2004189868A Thermoplastic resin composition and molded product 审中-公开
公开(公告)号：JP2004189868A
公开(公告)日：2004-07-08
申请号：JP2002359123
申请日：2002-12-11
申请人： Maruo Calcium Co Ltd , 丸尾カルシウム株式会社
发明人： TAKIYAMA SHIGEO , UTO NARIATSU
IPC分类号： C08J5/00 , C08K3/00 , C08K3/32 , C08K3/34 , C08K9/04 , C08L25/04 , C08L51/04 , C08L69/00 , C08L101/00
摘要： PROBLEM TO BE SOLVED: To provide a thermoplastic resin composition providing a molded product having good color development and transparency, and further having good appearance in which flow marks are reduced.
SOLUTION: The thermoplastic resin composition is obtained by compounding inorganic porous particles satisfying formulas: (a): 0.01≤dx≤30 [dx is an average particle diameter (μm) measured by an electron micrograph] and (b): 2.5≤V≤30 (V is an apparent specific volume (mL/g) measured by a still standing method of a pigment test method of JIS K5101-91 20.1) with a thermoplastic resin.
COPYRIGHT: (C)2004,JPO&NCIPI

4. 发明专利

JPH1129310A MATERIAL FOR HEAT-SENSITIVE RECORDING PAPER AND HEAT-SENSITIVE RECORDING PAPER 失效
公开(公告)号：JPH1129310A
公开(公告)日：1999-02-02
申请号：JP20217097
申请日：1997-07-11
申请人： MARUO CALCIUM
发明人： TAKIYAMA SHIGEO , AOYAMA MITSUNOBU , NISHIOKA HIDEHIKO , SHIBATA HIROSHI
IPC分类号： B41M5/337 , B41M5/26 , C01B25/32
摘要： PROBLEM TO BE SOLVED: To obtain a material for heat-sensitive recording paper, having improved prevention of waste adhesion free from blush of ground, comprising a calcium phosphate-based compound having a petal-like porous structure composed of an inorganic particle as a nucleating material. SOLUTION: This material for a heat-sensitive recording material is a calcium phosphate-based compound having a petal-like porous structure composed of an inorganic particle as a nucleating material, has /g) [dx1 is the average particle diameter of particles measured by an electron micrograph; α is a dispersion coefficient; βis sharpness; d50, d90 and d10 are 50% average particle diameter measured by microtrack FRA laser type particle size distribution meter, 90% accumulated total particle diameter of a sieve passing side measured by microtrack FRA laser type particle size distribution meter and 10% accumulated total particle diameter of a sieve passing side measured by microtrack FRA laser type particle size distribution meter, respectively; dx2 is an average pore diameter of particles obtained from a pore distribution measured by mercury penetration method), etc.

5. 发明专利

JPH04321515A PRODUCTION OF ARAGONITE CRYSTAL CALCIUM CARBONATE HAVING LARGE GRAIN DIAMETER OF NEEDLELIKE SHAPE 失效
公开(公告)号：JPH04321515A
公开(公告)日：1992-11-11
申请号：JP11697191
申请日：1991-04-19
申请人： MARUO CALCIUM
发明人： SHIBATA HIROSHI , TAKIYAMA SHIGEO , FUJIWARA TOSHIO
IPC分类号： C01F11/18 , C08K3/24 , C08K3/26
摘要： PURPOSE:To efficiently obtain the subject highly dispersible crystal by dropping an aqueous slurry of Ca(OH)2 containing phosphoric acid (compound) into an aqueous slurry of aragonite crystal calcium carbonate of a needlelike shape and carbonating the resultant mixture solution under specific conditions. CONSTITUTION:An aqueous slurry of Ca(OH)2 containing at least one selected from phosphoric acid and soluble phosphoric acid compounds (e.g. K3PO4) is dropped onto an aqueous slurry of aragonite crystal calcium carbonate of a needlelike shape. The concentration of the aqueous slurry of Ca(OH)2 is preferably about 20-250 g/l. The mixture slurry is then regulated to 30-80 deg.C temperature and pH >=10 and CO2 is introduced to carry out carbonation. Thereby, the objective highly dispersible aragonite crystal calcium carbonate having a needlelike shape and a large grain diameter is obtained. The resultant aragonite crystal calcium carbonate as a reinforcing material can be blended with plastics, etc., to remarkably improve especially flexural elastic modulus.

6. 发明专利

JP2010023017A Resin composition for porous filtering membrane and manufacturing method of porous filtering membrane 有权
标题翻译：多孔过滤膜用树脂组合物及多孔过滤膜的制造方法
公开(公告)号：JP2010023017A
公开(公告)日：2010-02-04
申请号：JP2009010855
申请日：2009-01-21
申请人： Maruo Calcium Co Ltd , 丸尾カルシウム株式会社
发明人： TAKIYAMA SHIGEO , KASAHARA HIDEMITSU , NAGAMATSU MAKOTO , KUDO HOMARE
IPC分类号： B01D71/34 , C08J9/26
摘要： PROBLEM TO BE SOLVED: To provide a resin composition for a porous filtering membrane for manufacturing a porous filtering membrane which possesses a fine uniform pore diameter, has high membrane intensity and water permeability, and is excellent in productivity.
SOLUTION: The resin composition for the porous filtering membrane contains polyvinylidene fluoride and a hydrophobic calcium carbonate particulate with the BET relative surface area of 5-75 m
2 /g and in which the total of 11 μm or more in a laser diffraction system (micro track FRA) particle size distribution is 25% or less, or further contains an organic liquid body.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：解决问题：提供一种多孔过滤膜用树脂组合物，该多孔过滤膜用于制造具有细微均匀孔径的多孔过滤膜，具有高膜强度和透水性，并且生产率优异。解决方案：用于多孔过滤膜的树脂组合物包含聚偏二氟乙烯和BET相对表面积为5-75m 2 / SP / g的疏水性碳酸钙颗粒，其中总共为11 激光衍射系统（微轨道FRA）的粒径分布为25％以下，或者还含有有机液体。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2003146629A POROUS INORGANIC COMPOSITE AND RESIN COMPOSITION COMPOUNDED WITH THIS COMPOSITE 审中-公开
公开(公告)号：JP2003146629A
公开(公告)日：2003-05-21
申请号：JP2001344267
申请日：2001-11-09
申请人： MARUO CALCIUM
发明人： KASAHARA HIDEMITSU , TAKIYAMA SHIGEO , SHIBATA HIROSHI
IPC分类号： C01B25/32 , C08K9/02 , C08L101/00 , C09C1/02 , C09C3/06 , C09D7/12 , C09D201/00
摘要： PROBLEM TO BE SOLVED: To provide a porous inorganic composite which has a high specific surface area and excellent absorbability while holding the uniformity and dispersibility of porous inorganic particles. SOLUTION: This porous inorganic composite consists of a composite formed by carrying and supporting inorganic particulates on a carrier consisting of porous inorganic particles and satisfies specific grain size characteristics, such as an average particle size, dispersion coefficient and sharpness.

8. 发明专利

JPH11171514A HOLLOW FINE CALCIUM PHOSPHATE PARTICLES AND THEIR PRODUCTION 失效
公开(公告)号：JPH11171514A
公开(公告)日：1999-06-29
申请号：JP35235397
申请日：1997-12-04
申请人： MARUO CALCIUM
发明人： NISHIOKA HIDEHIKO , HANAZAKI MINORU , MOTOYOSHI SHIRO , TAKIYAMA SHIGEO , AOYAMA MITSUNOBU , UEDA HIROKIYO
IPC分类号： C01B25/32
摘要： PROBLEM TO BE SOLVED: To obtain hollow fine calcium phosphate particles almost free from secondary aggregation, having good dispersibility and uniformity and capable of modifying the particle diameter and particle shape by adding an aq. soln. of water-soluble phosphoric acid or its water-soluble salt or the like to a methanolic-aq. suspension of vaterite type calcium carbonate and bringing them into reaction in a neutral region. SOLUTION: At least one selected from among aq. solns., aq. suspensions and methanolic suspensions of water-soluble phosphoric acid and its water-soluble salt, an aq.-methanolic soln. of water-soluble phosphoric acid and an aq.- methanolic suspension of a water-soluble slat of water-soluble phosphoric acid is added to a methanolic-aq. suspension of vaterite type calcium carbonate contg.

9. 发明专利

JPH05139728A SURFACE TREATMENT OF CALCIUM CARBONATE 失效
公开(公告)号：JPH05139728A
公开(公告)日：1993-06-08
申请号：JP32531691
申请日：1991-11-12
申请人： MARUO CALCIUM
发明人： AZUMA TOSHIO , SHIBATA HIROSHI , TAKIYAMA SHIGEO , FUJIWARA TOSHIO
IPC分类号： C01F11/18 , C09C1/02 , C30B29/62
摘要： PURPOSE:To provide a composite body excellent especially in bending strength by improving the adhesion of calcium carbonate to plastic, etc., and blending this calcium carbonate with plastic, etc. CONSTITUTION:The surface of calcium carbonate is successively treated with a polymer having carboxyl and hydroxyl groups and an org. silane compd. to improve the adhesion of the calcium carbonate to plastic, rubber, etc.

10. 发明专利

JP2005179378A Foam stabilizer and foam-molded article comprising the same 有权
标题翻译：泡沫稳定剂和包含其的泡沫塑料制品
公开(公告)号：JP2005179378A
公开(公告)日：2005-07-07
申请号：JP2002165282
申请日：2002-06-06
申请人： Maruo Calcium Co Ltd , 丸尾カルシウム株式会社
发明人： TAKIYAMA SHIGEO , UTO NARIATSU , ISERI HIDEKI , OMORI TETSUSHI
IPC分类号： C08J9/04 , C08J9/00 , C08K7/00 , C08L101/00
CPC分类号： C08J9/0004
摘要： PROBLEM TO BE SOLVED: To provide a foam stabilizer which gives a foam-molded article having fine and uniform cells, being light-weighted and exhibiting excellent mechanical properties.
SOLUTION: The foam stabilizer comprises a fine particle having an average particle size dx and an apparent specific volume V satisfying the following expressions (a) and (b): (a) 0.01≤dx≤30; and (b) 2.5≤V≤30, wherein dx is the average particle size (μm) as measured by means of an electromicroscopic photograph and V is the apparent specific volume (ml/g) as measured by the still standing method in the pigment testing method prescribed by JIS K 5101-91 20.1.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种泡沫稳定剂，其产生具有细小且均匀的细胞的发泡模制品，重量轻且显示出优异的机械性能。解决方案：泡沫稳定剂包括平均粒径dx和满足以下表达式（a）和（b）的表观比体积V的细颗粒：（a）0.01≤dx≤30; 和（b）2.5≤V≤30，其中dx是通过电子显微镜照片测量的平均粒径（μm），V是通过静置法在颜料中测量的表观比体积（ml / g） JIS K 5101-91 20.1规定的试验方法。版权所有（C）2005，JPO＆NCIPI

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