JPH03290313A - Production of fibrous calcium carbonate - Google Patents
Production of fibrous calcium carbonateInfo
- Publication number
- JPH03290313A JPH03290313A JP2091853A JP9185390A JPH03290313A JP H03290313 A JPH03290313 A JP H03290313A JP 2091853 A JP2091853 A JP 2091853A JP 9185390 A JP9185390 A JP 9185390A JP H03290313 A JPH03290313 A JP H03290313A
- Authority
- JP
- Japan
- Prior art keywords
- calcium carbonate
- fibrous calcium
- heat
- alkaline solution
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 title claims abstract description 72
- 229910000019 calcium carbonate Inorganic materials 0.000 title claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 239000006228 supernatant Substances 0.000 claims abstract description 4
- 239000012670 alkaline solution Substances 0.000 claims abstract 4
- 238000001914 filtration Methods 0.000 claims abstract 2
- 239000010419 fine particle Substances 0.000 claims abstract 2
- 239000000243 solution Substances 0.000 claims description 7
- 239000003513 alkali Substances 0.000 claims description 2
- 241000237502 Ostreidae Species 0.000 abstract description 11
- 235000020636 oyster Nutrition 0.000 abstract description 11
- 206010040844 Skin exfoliation Diseases 0.000 abstract description 9
- 239000000843 powder Substances 0.000 abstract description 8
- 238000005406 washing Methods 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000001035 drying Methods 0.000 abstract description 2
- 239000000706 filtrate Substances 0.000 abstract 2
- 238000010298 pulverizing process Methods 0.000 abstract 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 239000013078 crystal Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 229910021532 Calcite Inorganic materials 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004299 exfoliation Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 235000020637 scallop Nutrition 0.000 description 2
- 235000015170 shellfish Nutrition 0.000 description 2
- 239000012209 synthetic fiber Substances 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 241000238366 Cephalopoda Species 0.000 description 1
- 241000237891 Haliotidae Species 0.000 description 1
- 241000237852 Mollusca Species 0.000 description 1
- 241000237509 Patinopecten sp. Species 0.000 description 1
- 241000237503 Pectinidae Species 0.000 description 1
- 241000490567 Pinctada Species 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- 241000894431 Turbinidae Species 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 108010006161 conchiolin Proteins 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 108091005899 fibrous proteins Proteins 0.000 description 1
- 102000034240 fibrous proteins Human genes 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000012463 white pigment Substances 0.000 description 1
Landscapes
- Processing Of Solid Wastes (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の目的］
（産業上の利用分野）
本発明は、高い水中分散性を示し、貝殻特有の結晶系（
主にカルサイト系）を持つ繊維状炭酸カルシウムの製造
方法に関するものである。[Detailed description of the invention] [Object of the invention] (Industrial application field) The present invention exhibits high dispersibility in water and has a crystalline system (
This article relates to a method for producing fibrous calcium carbonate containing mainly calcite type.
（従来の技術）
一般に炭酸カルシウムはゴム用充填荊としての用途を始
め各種の充填剤、祇コーティング剤、顔料、化粧品、医
薬品等の添加剤として広く使用されている物質である。(Prior Art) In general, calcium carbonate is a substance that is widely used as a filler for rubber and as an additive for various fillers, coating agents, pigments, cosmetics, pharmaceuticals, and the like.
繊維状無機化合物としては天然繊維と合成繊維の二つに
大別出来る。Fibrous inorganic compounds can be broadly classified into two types: natural fibers and synthetic fibers.
前者は石綿（クリスタル等）で知られる天然に産出する
唯一の繊維状鉱物資源で、セメント系建材の複合剤、自
動車用ブレーキの摩擦剤などに多量に使用されてきたが
、近年、人体に有害な作用を及ぼすことが指摘され使用
方法が再検討されている。The former, known as asbestos (crystal, etc.), is the only naturally occurring fibrous mineral resource, and has been used in large quantities as a composite agent for cement-based building materials and as a friction agent for automobile brakes, but in recent years, it has become known that it is harmful to the human body. It has been pointed out that it has a negative effect, and its usage is being reconsidered.
これに対して合成繊維としての製造方法は多く見られ、
炭酸カルシウム関係についてみるとほとんどが液相反応
による、いわゆる湿式合成によってしめられ、液相反応
により沈澱粒子を得る際の結晶成長の速度を温度、圧力
、反応液を制御して繊維状の合成を図るものが多い。On the other hand, there are many manufacturing methods for synthetic fibers,
Regarding calcium carbonate, most of it is done by liquid phase reaction, so-called wet synthesis, and fibrous synthesis is achieved by controlling the temperature, pressure, and reaction liquid to control the crystal growth rate when obtaining precipitated particles by liquid phase reaction. There are many things to aim for.
例えば、祇コーティング剤に適していると言われるアラ
ゴナイト系柱状炭酸カルシウムの製造方法については水
酸化カルシウム溶液に二酸化炭素の濃度と吹き込み量、
溶液温度を制御管理して炭酸化反応と完結させる方法が
開示されている（特公昭５５−５１８５２号公報参照）
。For example, regarding the manufacturing method of aragonite columnar calcium carbonate, which is said to be suitable for Gion coating agents, the concentration and amount of carbon dioxide blown into the calcium hydroxide solution,
A method of controlling and managing the solution temperature to complete the carbonation reaction is disclosed (see Japanese Patent Publication No. 51852/1985).
.
また、石灰乳に炭酸化率が５％になるまでの導電率より
降下しないような条件下で石灰乳に二酸化炭素を導入し
炭酸化率が５０％に至るまでに強制加温後もしくは一定
温度で上昇しながら二酸化炭素を導入する工程により炭
酸化率１００％に至るまで炭酸化カルシウムの製造方法
が開示されている（特開昭６３−３０３１６号公報参照
）。In addition, carbon dioxide is introduced into milk of lime under conditions such that the conductivity does not drop below the level at which the carbonation rate reaches 5%, and after forced heating or at a constant temperature until the carbonation rate reaches 50%. A method for producing calcium carbonate has been disclosed in which the carbonation rate reaches 100% by a step of introducing carbon dioxide while increasing the carbonation rate (see JP-A-63-30316).
（発明が解決しようとする問題点）
上記ように炭酸化カルシウムは広い用途ををしており、
現在、その殆どが湿式合成法により化学的に製造されて
おり、天然の貝殻は、一部不純物が含まれているものの
炭酸カルシウムが主成分で、古（から飼料、肥料として
利用されてきており、白色顔料の一種でをる胡粉の原料
としても知られているが、今後は高付加価値製品として
の炭酸化カルシウム原料として見直す必要がある。(Problems to be solved by the invention) As mentioned above, calcium carbonate has a wide range of uses.
Currently, most of them are chemically manufactured using wet synthesis methods, and although natural shells contain some impurities, their main component is calcium carbonate, and they have been used as feed and fertilizer since ancient times. It is also known as a raw material for gofun, a type of white pigment, but in the future it will need to be reconsidered as a raw material for calcium carbonate as a high value-added product.
（問題点を解決するための手段）
そこでこの発明は、廃棄物となっているかき殻をはじめ
とする貝殻を原料として有効利用を図るべく鋭意研究を
重ねた結果、貝殻の生成の際にコンキオリンと呼ふ硬蛋
白質の薄膜と炭酸カルシウムの結晶が積み重なって構成
している貝殻をアルカリ処理の条件と剥離処理によって
薄い繊維状炭酸カルシウムが得られることを見出し、こ
の知見に基づいて本発明を成すに至った。(Means for Solving the Problems) Therefore, as a result of intensive research aimed at effectively utilizing shells such as oyster shells, which have become waste, as a raw material, this invention has developed It was discovered that thin fibrous calcium carbonate can be obtained by alkali treatment and exfoliation of seashells, which are composed of a thin layer of hard protein called scleroprotein and calcium carbonate crystals, and based on this knowledge, the present invention was made. reached.
本発明は貝殻を粉砕し、０．０１〜１０ｍｍに分級（好
ましくは０．６〜２．４印に分級）した貝殻粉５０ｇを
とる。５００ ｃｃビーカに０，１〜３０重量％の水酸
化カリウム水溶液（好ましくは３〜４％重量％水酸化カ
リウム水溶液）４００ｃｃをとり、それにこの貝殻粉を
入れる。そして、このアルカリ水溶液を５〜６０分間（
好ましくは１０〜１５分間）加熱処理をする。更に、冷
却後４〜５回の水洗を繰り返しＰＨをほぼ中性にした後
に、水４００ｃｃと２０ｎｕ径アルミナボ一ル６００ｇ
と共にボールミルに入れ数時間回転することで湿式の剥
離処理を行う。この処理溶液の上澄液をろ紙で吸引ろ過
し、乾燥すると繊維状の炭酸カルシウムが得られる。な
お、加熱処理をしない場合は、貝殻粉が十分溶液中にか
くれる程度の水酸化カリウム水溶液（６重量％）中に常
温で数時間以上（好ましくは４〜８時間）浸し、その後
４〜５回の水洗後以下同様の処理を施すことによって繊
維状の炭酸カルシウムを得ることができる。In the present invention, 50 g of shell powder obtained by crushing shells and classifying them into 0.01 to 10 mm (preferably 0.6 to 2.4 marks) is taken. 400 cc of a 0.1 to 30% by weight potassium hydroxide aqueous solution (preferably a 3 to 4% by weight aqueous potassium hydroxide solution) is placed in a 500 cc beaker, and the shell powder is added thereto. Then, apply this alkaline aqueous solution for 5 to 60 minutes (
Heat treatment is carried out (preferably for 10 to 15 minutes). Furthermore, after cooling, water washing was repeated 4 to 5 times to make the pH almost neutral, and then 400 cc of water and 600 g of 20 nu diameter alumina balls were added.
A wet peeling process is performed by placing the film in a ball mill and rotating it for several hours. The supernatant liquid of this treatment solution is suction filtered through filter paper and dried to obtain fibrous calcium carbonate. In addition, if heat treatment is not performed, soak the shell powder in an aqueous potassium hydroxide solution (6% by weight) at room temperature for several hours or more (preferably 4 to 8 hours) to the extent that it is sufficiently hidden in the solution, and then soak for 4 to 5 hours. After washing twice with water, fibrous calcium carbonate can be obtained by performing the same treatment.
アルカリ処理液は水酸化カリウム以外に水酸化ナトリう
ム、次亜塩素酸ナトリウム等でもよく濃度と加熱時間お
よび常温放置時間を適当に選べば良い。更に、剥離処理
もボールミル以外にミキサーなどでも可能で有ることが
確かめられ、種々の物理的剥離法で処理出来ることが考
えられる。The alkaline treatment solution may be sodium hydroxide, sodium hypochlorite, etc. in addition to potassium hydroxide, and the concentration, heating time, and room temperature standing time may be appropriately selected. Furthermore, it has been confirmed that the peeling process can also be performed using a mixer in addition to a ball mill, and it is thought that various physical peeling methods can be used.
本発明において、かき殻の他にホタテ貝殻においても繊
維状の炭酸カルシウムが得られることを確認した。原料
となる貝殻の種類によって結晶系や繊維形状の多少異な
る炭酸カルシウムが得られることが考えられる。In the present invention, it has been confirmed that fibrous calcium carbonate can be obtained not only from oyster shells but also from scallop shells. It is thought that calcium carbonate with somewhat different crystal systems and fiber shapes can be obtained depending on the type of shell used as a raw material.
本発明による繊維状炭酸カルシウムの製造法は、貝が成
長する段階でコンキオリンを分泌した薄膜の上に炭酸カ
ルシウムの結晶を析出さセで積み重なって出来上がった
貝殻（参考写真ｌ）をアルカリ処理と剥離処理すること
により炭酸カルシウムの薄層（参考写真２）を分離して
得る方法で他には見られない全く新しい製造方法である
。The method for producing fibrous calcium carbonate according to the present invention involves precipitating calcium carbonate crystals on a thin film that secretes conchiolin during the growth stage of the shellfish. This is a completely new manufacturing method that cannot be found anywhere else, as it is obtained by separating a thin layer of calcium carbonate (reference photo 2) through treatment.
また、これまでの繊維状炭酸カルシウムの湿式合成によ
る製造方法と違って貝などの軟体動物が成長する過程で
形成した炭酸カルシウムの積み重なった薄層を分離する
ことで得られる繊維状炭酸カルシウムの製造方法であり
、従って、貝が成長する過程が同じようなアコヤガイ、
かき、ホタテなどの属する斧足綱、アワビ、サザエの属
する腹足網、オオムガイの属する頭足網などはいずれも
同様の貝殻形成するために本方法を適用した処理方法で
これらの貝殻から繊維状炭酸カルシウムを製造すること
の可能性が存在する。In addition, unlike the conventional production method of wet synthesis of fibrous calcium carbonate, fibrous calcium carbonate can be produced by separating the stacked thin layers of calcium carbonate formed during the growth process of molluscs such as shellfish. Therefore, pearl oysters, which have a similar growth process,
In order to form similar shells, the axolotid class to which oysters and scallops belong, the gastropod to which abalones and turban shells belong, and the cephalopod to which the giant snail belongs to, etc., are all processed to form fibrous shells using this method. The possibility exists to produce calcium carbonate.
貝殻から得られるため短径は０．３〜８μｍ位の結晶の
積み重ねであると言われ、長径は１００μｍ以上にもな
るが、原料の粉砕時のサイズで長さは短くすることも可
能である。Since it is obtained from shells, it is said to be a stack of crystals with a short axis of about 0.3 to 8 μm, and a long axis of 100 μm or more, but the length can be shortened depending on the size of the raw material when crushed. .
以下、本発明の詳細を実施例で説明する。The details of the present invention will be explained below with reference to Examples.
（実施例１）
１０ｍｍ角以下に粉砕したかき殻５０ｇを３重量％の水
酸化カリウム水溶液４００ｃｃに入れ１０分間加熱処理
した。冷却後４〜５回の水洗を繰り返し、かき殻全量に
水４００ ｃｃと２０ｍｍ径のアルミナボール６００ｇ
をボールミルに入れ６０分間、剥離処理した。その処理
溶液を吸引ろ過して乾燥した結果、繊維状炭酸カルシウ
ムが得られた。この繊維状炭酸カルシウムをＸ線回折し
た結果、かき殻と同しカルサイト系炭酸カルシウムであ
ることが確認された。(Example 1) 50 g of oyster shells crushed into pieces of 10 mm square or less were placed in 400 cc of a 3% by weight aqueous potassium hydroxide solution and heat-treated for 10 minutes. After cooling, rinse with water 4 to 5 times and add 400 cc of water and 600 g of 20 mm diameter alumina balls to the entire oyster shell.
was placed in a ball mill and subjected to peeling treatment for 60 minutes. Fibrous calcium carbonate was obtained as a result of suction filtration and drying of the treated solution. As a result of X-ray diffraction of this fibrous calcium carbonate, it was confirmed that it was calcite-based calcium carbonate, the same as oyster shells.
（実施例２）
粗粉砕かき殻をショークラッシャで粉砕加工し０．５８
９〜４．７６価のかき殻５０ｇを４重量％の水酸化カリ
ウム水溶液４００ｃｃと共にヒーカに入れ１５分間加熱
処理した。冷却後、４〜５回の水洗を繰り返しほぼＰＨ
が中性になった後、かき殻全量に実施例１と同量のボー
ルと水を加えてボールミルで２４０分間剥離処理した。(Example 2) Coarsely crushed oyster shells were crushed using a show crusher to produce a powder of 0.58
50 g of oyster shells having a valency of 9 to 4.76 were placed in a heater together with 400 cc of a 4% by weight aqueous potassium hydroxide solution and heat-treated for 15 minutes. After cooling, repeat water washing 4 to 5 times until the pH is almost the same.
After the oyster shells became neutral, the same amount of balls and water as in Example 1 were added to the entire amount of oyster shells, and the mixture was subjected to exfoliation treatment in a ball mill for 240 minutes.
その処理液をろ過し乾燥した。その結果、繊維状炭酸カ
ルシウムが得られた。The treated solution was filtered and dried. As a result, fibrous calcium carbonate was obtained.
（実施例３〜１１）
実施例１と同様の操作順序により第１表に示す条件で９
種類の繊維状炭酸カルシウムの製造試験を行った。(Examples 3 to 11) Using the same operating order as in Example 1 and under the conditions shown in Table 1,
A manufacturing test was conducted on various types of fibrous calcium carbonate.
（発明の効果）
この発明によると、廃棄物となっているかき殻をはじめ
とする貝殻を原料として有効利用を図ると共に、天然の
繊維状の炭酸カルシウムを得ることできる等極めて有益
なる効果を奏する。(Effects of the Invention) According to the present invention, it is possible to effectively use shells such as oyster shells, which are waste materials, as raw materials, and it also has extremely beneficial effects such as being able to obtain natural fibrous calcium carbonate. .
（外１名）(1 other person)
Claims (4)
中に完全に浸し、加熱処理を行うか、あるいは長時間常
温放置した後、水洗を４〜５回繰り返し、湿式の物理的
剥離処理を行い、その上澄み液をろ過する手法で貝殻の
持つ天然の薄層を剥離することにより、繊維状炭酸カル
シウムを取り出すことを特徴とする繊維状炭酸カルシウ
ムの製造方法。(1) Completely immerse crushed seashells classified into an appropriate fine particle size in an alkaline solution and heat-treat them, or leave them at room temperature for a long time, wash them with water 4 to 5 times, and perform a wet physical peeling process. A method for producing fibrous calcium carbonate, which is characterized in that fibrous calcium carbonate is extracted by removing the natural thin layer of the shell by filtering the supernatant liquid.
液を用いて前処理を行うことを特徴とする特許の範囲第
１項記載の繊維状炭酸カルシウムの製造方法。(2) The method for producing fibrous calcium carbonate according to the scope of the patent, item 1, wherein the pretreatment is performed using a solution having an alkali treatment concentration of 0.1 to 30% by weight.
ことを特徴とする特許請求の範囲第１項記載の繊維状炭
酸カルシウムの製造方法。(3) The method for producing fibrous calcium carbonate according to claim 1, wherein the calcium carbonate is prepared from seashells.
とを特徴とする特許請求の請求範囲第１項記載の繊維状
炭酸カルシウムの製造方法。(4) The method for producing fibrous calcium carbonate according to claim 1, which comprises peeling off the shell thin layer by wet physical treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2091853A JPH0745324B2 (en) | 1990-04-05 | 1990-04-05 | Method for producing fibrous calcium carbonate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2091853A JPH0745324B2 (en) | 1990-04-05 | 1990-04-05 | Method for producing fibrous calcium carbonate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03290313A true JPH03290313A (en) | 1991-12-20 |
| JPH0745324B2 JPH0745324B2 (en) | 1995-05-17 |
Family
ID=14038124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2091853A Expired - Lifetime JPH0745324B2 (en) | 1990-04-05 | 1990-04-05 | Method for producing fibrous calcium carbonate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0745324B2 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004533396A (en) * | 2001-07-04 | 2004-11-04 | ソルヴェイ | Method for producing precipitated calcium carbonate particles having nanoscale structure |
| JP2005324129A (en) * | 2004-05-14 | 2005-11-24 | Hosooka Bio Hightech Kenkyusho:Kk | Method for treating shells |
| JP2006239515A (en) * | 2005-03-01 | 2006-09-14 | Aomori Prefecture | Processing method of shell powder, and novel filler for plastics formed by the same |
| JP2008273853A (en) * | 2007-04-26 | 2008-11-13 | New Raimu Kenkyusha:Kk | Cosmetic composition |
| JP2011184269A (en) * | 2010-03-10 | 2011-09-22 | Wada Kigata Seisakusho:Kk | Method for removing protein from calcareous material of biological origin and resin composition containing solid calcium carbonate obtained by the method |
| CN106044821A (en) * | 2016-07-19 | 2016-10-26 | 陈毅忠 | Method for preparing nanometer calcium carbonate by virtue of oyster shells |
| CN115140751A (en) * | 2022-07-29 | 2022-10-04 | 山东理工大学 | Preparation method of high-purity aluminum hydroxide |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4203608B2 (en) * | 2001-06-05 | 2009-01-07 | 学校法人日本大学 | Method for producing calcium carbonate having a form derived from shellfish |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62153210A (en) * | 1985-12-26 | 1987-07-08 | Catalysts & Chem Ind Co Ltd | Cosmetic composition |
-
1990
- 1990-04-05 JP JP2091853A patent/JPH0745324B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62153210A (en) * | 1985-12-26 | 1987-07-08 | Catalysts & Chem Ind Co Ltd | Cosmetic composition |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004533396A (en) * | 2001-07-04 | 2004-11-04 | ソルヴェイ | Method for producing precipitated calcium carbonate particles having nanoscale structure |
| US7708973B2 (en) | 2001-07-04 | 2010-05-04 | Solvay (Societe Anonyme) | Method for obtaining precipitated calcium carbonate particles of nanometric scale structure |
| JP2005324129A (en) * | 2004-05-14 | 2005-11-24 | Hosooka Bio Hightech Kenkyusho:Kk | Method for treating shells |
| JP2006239515A (en) * | 2005-03-01 | 2006-09-14 | Aomori Prefecture | Processing method of shell powder, and novel filler for plastics formed by the same |
| JP2008273853A (en) * | 2007-04-26 | 2008-11-13 | New Raimu Kenkyusha:Kk | Cosmetic composition |
| JP2011184269A (en) * | 2010-03-10 | 2011-09-22 | Wada Kigata Seisakusho:Kk | Method for removing protein from calcareous material of biological origin and resin composition containing solid calcium carbonate obtained by the method |
| CN106044821A (en) * | 2016-07-19 | 2016-10-26 | 陈毅忠 | Method for preparing nanometer calcium carbonate by virtue of oyster shells |
| CN115140751A (en) * | 2022-07-29 | 2022-10-04 | 山东理工大学 | Preparation method of high-purity aluminum hydroxide |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0745324B2 (en) | 1995-05-17 |
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