JP2538783B2 - Dustproofing composition - Google Patents
Dustproofing compositionInfo
- Publication number
- JP2538783B2 JP2538783B2 JP62237423A JP23742387A JP2538783B2 JP 2538783 B2 JP2538783 B2 JP 2538783B2 JP 62237423 A JP62237423 A JP 62237423A JP 23742387 A JP23742387 A JP 23742387A JP 2538783 B2 JP2538783 B2 JP 2538783B2
- Authority
- JP
- Japan
- Prior art keywords
- agent composition
- dustproofing
- ptfe
- mixture
- dust
- 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.)
- Expired - Lifetime
Links
Description
【発明の詳細な説明】 イ．発明の目的 産業上の利用分野 本発明は粉塵を多量に発生する発塵性粉体の発塵を抑
制するために使用する防塵処理剤組成物に関するもので
ある。DETAILED DESCRIPTION OF THE INVENTION BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dustproofing agent composition used for suppressing dusting of dusting powder that generates a large amount of dust.
従来の技術 ある種類のポリテトラフルオロエチレンは、適度な温
度条件下で圧縮−剪断作用を施すとフィブリル化しクモ
の巣状に超微細繊維化することが知られている。2. Description of the Related Art It is known that a certain type of polytetrafluoroethylene is fibrillated into ultrafine fibers in the form of a spider web when subjected to compression-shearing under an appropriate temperature condition.
特公昭52−32877号には、高度に塵埃を出す粉末状物
質に有効量の粉状フィブリル化性ポリテトラフルオロエ
チレン樹脂を混合し、そして前記混合物に、ポリテトラ
フルオロエチレン樹脂のフィブリル化が起り得る約20〜
200℃の温度で、所望の塵埃抑制度が達成されるまで攪
拌して圧縮−剪断作用を施すことからなる、ポリテトラ
フルオロエチレン樹脂以外の粉末状物質の塵埃抑制法が
開示されている。In Japanese Examined Patent Publication No. 52-32877, an effective amount of powdery fibrillating polytetrafluoroethylene resin is mixed with a highly dusting powdery substance, and the mixture is fibrillated by polytetrafluoroethylene resin. Get about 20 ~
Disclosed is a dust control method for a powdery substance other than polytetrafluoroethylene resin, which comprises stirring and performing a compression-shear action at a temperature of 200 ° C. until a desired degree of dust control is achieved.
ポリテトラフルオロエチレン樹脂のフィブリル化は約
20℃から始まるとされているものの、工業的に実用的な
時間内にフィブリル化を完了させるためには50℃以上、
さらに好ましくは80℃以上の温度で攪拌して圧縮−剪断
作用を施すことが望ましい。About fibrillation of polytetrafluoroethylene resin
Although it is said to start from 20 ° C, 50 ° C or higher to complete fibrillation within an industrially practical time,
More preferably, it is desirable that the mixture be stirred at a temperature of 80 ° C. or higher to exert a compression-shear action.
従って温度が低い場合には外熱を与えて80℃以上まで
加熱せねばならず、熱エネルギー及び加熱設備を必要と
する。Therefore, when the temperature is low, external heat must be applied to heat up to 80 ° C or higher, which requires heat energy and heating equipment.
特開昭60−191084号には、ポリテトラフルオロエチレ
ンの固形粒子を生石灰と水和発熱反応に要する量の水に
分散させ、該分散液を生石灰に加えて混合攪拌し、水和
反応熱と攪拌による圧縮／剪断作用により上記ポリテト
ラフルオロエチレン粒子をフィブリル化し、このフィブ
リルにより、生成した消石灰粒子をそれぞれくもの巣状
の網で被覆凝集させることを特徴とする、流忘性を改善
した消石灰質肥料の製造方法が提案されている。JP-A-60-191084 discloses that solid particles of polytetrafluoroethylene are dispersed in water in an amount required for an exothermic hydration reaction with quick lime, and the dispersion is added to quick lime and mixed and stirred to obtain heat of hydration reaction. A slaked lime with improved forgetting property, characterized in that the polytetrafluoroethylene particles are fibrillated by a compression / shear action by stirring, and the slaked lime particles produced by the fibrils are coated and aggregated with a web in the shape of a web. A method for producing high quality fertilizer has been proposed.
この方法は生石灰の水和発熱反応を利用してポリテト
ラフルオロエチレンのフィブリル化に必要な温度を与え
るものであるが、対象とする発塵性粉体がたまたま反応
熱を発生する反応を行うものでない限り、一般的に応用
できる方法ではない。This method utilizes the hydration exothermic reaction of quick lime to give the temperature required for fibrillation of polytetrafluoroethylene, but the reaction that happens to generate heat of reaction by the target dusting powder Unless it is not a generally applicable method.
発明が解決しようとする問題点 上記の如く、発塵性粉体に分散したポリテトラフルオ
ロエチレン樹脂をフィブリル化するには、80〜200℃程
度の温度で攪拌して圧縮−剪断力を加えることが望まし
く、発塵性粉体の温度が低い場合には外熱を与えて加熱
しなければならず熱エネルギー及び加熱設備を必要とす
る。Problems to be Solved by the Invention As described above, in order to fibrillate the polytetrafluoroethylene resin dispersed in the dust-generating powder, it is necessary to stir at a temperature of about 80 to 200 ° C. and apply compression-shear force. However, when the temperature of the dust-generating powder is low, it must be heated by applying external heat, which requires heat energy and heating equipment.
本発明は外熱を与えることなく発塵性粉体の防塵処理
ができる防塵処理剤組成物を提供することを目的とす
る。An object of the present invention is to provide a dust-proofing composition capable of performing dust-proofing of dust-producing powder without giving external heat.
ロ．発明の構成 問題点を解決するための手段 本発明の防塵処理剤組成物は、フィブリル化性ポリテ
トラフルオロエチレン樹脂（以下PTFEと略称する）及び
酸化反応による発熱性の固体粒子状物質の混合物を有効
成分として含有していることを特徴とする。B. Structure of the Invention Means for Solving the Problems The dustproofing agent composition of the present invention comprises a mixture of a fibrillating polytetrafluoroethylene resin (hereinafter abbreviated as “PTFE”) and an exothermic solid particulate substance due to an oxidation reaction. It is characterized in that it is contained as an active ingredient.
酸化反応による発熱性の固体粒子状物質としては、例
えばFe、Al、Mg、Cuのような金属の粉末又はこれらの混
合物が挙げられ、これらは例えば酸素、過酸化物、過塩
素酸塩のような酸化剤と組み合せることにより発熱す
る。Examples of the exothermic solid particulate matter due to the oxidation reaction include powders of metals such as Fe, Al, Mg and Cu, or a mixture thereof, such as oxygen, peroxide and perchlorate. Generates heat when combined with various oxidizing agents.
両者とも固体粒子の場合には、金属の粉末又は酸化剤
のうちのどちらをPTFEと組み合わせて防塵処理剤組成物
としてもよい。When both are solid particles, either the metal powder or the oxidizing agent may be combined with PTFE to form a dustproofing agent composition.
このような防塵処理剤組成物における発熱性の固体粒
子状物質に対するPTFEの適正量について述べる。The appropriate amount of PTFE with respect to the exothermic solid particulate matter in such a dustproofing agent composition will be described.
フィブリル化されたPTFEにより発塵性粉体の防塵処理
をする場合、適正なPTFE混合量は処理しようとする発塵
性粉体の粒度、比重、含水率等によって異なるが、通常
発塵性粉体に対して0.005〜１重量％のPTFEが混合され
る。したがって防塵処理剤組成物中のPTFE濃度はこれよ
り高くなければならない。When dustproofing powder is treated with fibrillated PTFE, the proper amount of PTFE mixed depends on the particle size, specific gravity, water content, etc. of the dusting powder to be treated. 0.005-1% by weight of PTFE is mixed with the body. Therefore, the PTFE concentration in the dustproofing agent composition must be higher than this.
一方、防塵処理剤組成物中の酸化反応による発熱性の
固体粒子状物質は、その反応熱により発塵性粉体及び防
塵処理剤組成物の混合物を、50〜300℃、好ましくは80
〜200℃に昇温し得る量であることが望ましい。On the other hand, the exothermic solid particulate matter due to the oxidation reaction in the dustproofing agent composition is a mixture of the dusting powder and the dustproofing agent composition due to the reaction heat, 50 to 300 ° C., preferably 80
It is desirable that the amount is such that the temperature can be raised to 200 ° C.
このことから、本発明の防塵処理剤組成物における発
熱性の固体粒子状物質に対するPTFEの適正量が算出でき
る。該物質の単位重量当りの発熱量にもよるが、通常発
熱性の固体粒子状物質に対するPTFEの量を0.01〜10重量
％とするのが適当である。From this, an appropriate amount of PTFE with respect to the heat-generating solid particulate matter in the dustproofing agent composition of the present invention can be calculated. Although it depends on the calorific value per unit weight of the substance, it is suitable to set the amount of PTFE to 0.01 to 10% by weight based on the solid particulate matter which is usually exothermic.
本発明の防塵処理剤組成物を製造するための酸化反応
による発熱性の固体粒子状物質としては、PTFEの分散を
高める為に、通常5mmの篩全通、好ましくは2mm篩全通に
なるように粉砕されたものを用いるのがよい。As the exothermic solid particulate matter by the oxidation reaction for producing the dustproofing agent composition of the present invention, in order to enhance the dispersion of PTFE, it is usually 5 mm sieve all-through, preferably 2 mm sieve all-through. It is better to use a crushed product.
市販されているPTFEには平均粒径500ミクロン程度の
粉末状のものと、水性懸濁液とがある。本発明において
はいずれをも使用できる。Commercially available PTFE includes powdery ones having an average particle size of about 500 microns and aqueous suspensions. In the present invention, any of them can be used.
防塵処理剤組成物として粉末状のPTFEと例えば鉄粉と
の混合物を用いた場合、発塵性粉体に、上記防塵処理剤
組成物と酸化剤を混合して軽く攪拌すると圧縮−剪断力
が与えられ、反応熱による温度上昇に助けられてPTFEは
速やかにフィブリル化し、そのフィブリルにより発塵性
粉体はクモの巣状の網で被服凝集され、防塵処理された
粉体が得られる。When a mixture of powdered PTFE and, for example, iron powder is used as the dustproofing agent composition, when the dustproofing agent mixture is mixed with the dustproofing agent composition and the oxidizing agent and the mixture is lightly stirred, compression-shearing force is generated. The PTFE is rapidly fibrillated by being supplied and assisted by the temperature rise due to the heat of reaction, and the fibrils cause the dusting powder to be coated and agglomerated by the web in the form of a spider web, and the dust-proofed powder is obtained.
本発明の防塵処理剤組成物はPTFE及び発熱性の固体粒
子状物質の混合物を有効成分として含有していればよ
く、この有効成分以外に対象とする発塵性粉体の一部を
も含む、いわゆるマスターブレンドであってもよい。The dustproofing agent composition of the present invention only needs to contain a mixture of PTFE and an exothermic solid particulate matter as an active ingredient, and in addition to this active ingredient, also contains a part of the dusting powder to be targeted. It may be a so-called master blend.
実施例１ ［防塵処理剤組成物の調製］ 窒素雰囲気のガラス瓶中の100メッシュパスの鉄粉20g
にPTFE粉末（商品名テフロンK10−Ｊ）2gを加え、こ
れを密封し、回転ロール上にこのガラス瓶を置き両物質
を均一に混合し、防塵処理剤組成物を調製した。Example 1 [Preparation of Dustproofing Agent Composition] 20 g of 100-mesh-pass iron powder in a glass bottle in a nitrogen atmosphere
2 g of PTFE powder (Teflon K10-J, trade name) was added to the above, and the mixture was sealed, and the glass bottle was placed on a rotating roll to uniformly mix both substances to prepare a dustproofing agent composition.
［防塵処理試験］ 上記防塵処理剤組成物全量、発塵性粉体である酸化第
二鉄（トダカラー140ED）50g及び10％硫酸水溶液を含浸
させた活性炭20gを３オートクレーブに入れ軽く混合
した。混合開始後30分で混合物の温度は50℃に達した。
この時点で酸化第二鉄を更に450g加え、オートクレーブ
の蓋を締め、酸素ボンベより酸素を供給し圧力を2Kg/cm
2Gに維持し、振盪機上で30分間攪拌した後、攪拌を止め
放冷した。なおこの間の最高温度は約100℃であった。
オートクレーブより取り出した酸化第二鉄は発塵性が減
少していた。[Dust-proof treatment test] The whole amount of the above dust-proof treatment agent composition, 50 g of ferric oxide (Toda color 140ED) as dusting powder and 20 g of activated carbon impregnated with a 10% sulfuric acid aqueous solution were put into a 3 autoclave and mixed lightly. The temperature of the mixture reached 50 ° C. 30 minutes after the start of mixing.
At this point, another 450 g of ferric oxide was added, the lid of the autoclave was closed, oxygen was supplied from the oxygen cylinder, and the pressure was 2 kg / cm.
After maintaining at 2 G and stirring for 30 minutes on a shaker, the stirring was stopped and the mixture was allowed to cool. The maximum temperature during this period was about 100 ° C.
Ferric oxide removed from the autoclave had reduced dusting properties.
ハ．発明の効果 従来PTFEフィブリルにより発塵性粉体の防塵処理を行
うためには発塵性粉体を外部から加熱して80〜200℃程
度の温度で攪拌して圧縮−剪断力を加える必要があり、
熱エネルギー及び加熱設備を必要としたが、本発明の防
塵処理剤組成物を使用すれば、外部から加熱する必要が
なく、混合操作だけで容易にPTFEフィブリルが生成し、
フィブリル化PTFEによる発塵性粉体の防塵処理が行われ
る。C. EFFECTS OF THE INVENTION In order to perform dust-proof treatment of dust-generating powder with conventional PTFE fibrils, it is necessary to heat the dust-generating powder from the outside and stir at a temperature of about 80 to 200 ° C to apply compression-shear force. Yes,
Heat energy and heating equipment were required, but if the dustproofing agent composition of the present invention is used, it is not necessary to heat from the outside, and PTFE fibrils are easily produced only by a mixing operation,
Dust-proof treatment of dust-generating powder is performed with fibrillated PTFE.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 浦野 輝男 栃木県佐野市石塚町775―３ (72)発明者 宮路 寛 栃木県宇都宮市西川田町925―４ (72)発明者 小倉 正恒 千葉県市川市新井１―16―11 (72)発明者 下田 哲也 東京都八王子市初沢町1397―３ (72)発明者 石川 勝章 神奈川県横浜市戸塚区下飯田町918―５ (56)参考文献 特開 昭52−31990（ＪＰ，Ａ) 特開 昭49−107992（ＪＰ，Ａ) 特開 昭47−38684（ＪＰ，Ａ) 特開 昭60−191084（ＪＰ，Ａ) ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Teruo Urano 775-3 Ishizuka-cho, Sano City, Tochigi Prefecture (72) Inventor Hiroshi Miyaji 925-4 Nishikawada-cho, Utsunomiya City, Tochigi Prefecture (72) Masatsune Ogura Ichikawa City, Chiba Prefecture Arai 1-16-11 (72) Inventor Tetsuya Shimoda 1397-3 Hatsawa-cho, Hachioji-shi, Tokyo (72) Inventor Katsuaki Ishikawa 918-5 Shimoida-cho, Totsuka-ku, Yokohama-shi, Kanagawa (56) Reference JP-A-52 -31990 (JP, A) JP 49-107992 (JP, A) JP 47-38684 (JP, A) JP 60-191084 (JP, A)
Claims (3)
ン樹脂及び酸化反応による発熱性の固体粒子状物質の混
合物を有効成分として含有していることを特徴とする防
塵処理剤組成物。1. A dustproofing agent composition comprising a mixture of a fibrillating polytetrafluoroethylene resin and an exothermic solid particulate matter caused by an oxidation reaction as an active ingredient.
対するフィブリル化性ポリテトラフルオロエチレン樹脂
の量が0.01〜10重量％である特許請求の範囲第１項記載
の防塵処理剤組成物。2. The dustproofing agent composition according to claim 1, wherein the amount of the fibrillating polytetrafluoroethylene resin is 0.01 to 10% by weight based on the solid particulate matter which is exothermic due to the oxidation reaction.
Fe、Al、Mg、Cuの金属の粉末、又はこれらの混合物であ
る特許請求の範囲第１項又は第２項記載の防塵処理剤組
成物。3. An exothermic solid particulate matter produced by an oxidation reaction
The dustproofing agent composition according to claim 1 or 2, which is a metal powder of Fe, Al, Mg, Cu, or a mixture thereof.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62237423A JP2538783B2 (en) | 1987-09-24 | 1987-09-24 | Dustproofing composition |
| DE9090121031T DE3876453T2 (en) | 1987-09-24 | 1988-09-21 | METHOD FOR CONTROLLING DUSTING. |
| DE8888115468T DE3867989D1 (en) | 1987-09-24 | 1988-09-21 | AGENT FOR PREVENTING DUST. |
| EP88115468A EP0308889B1 (en) | 1987-09-24 | 1988-09-21 | A dust-control agent |
| EP90121031A EP0423836B1 (en) | 1987-09-24 | 1988-09-21 | A method for dust-control treatment |
| US08/427,856 US5480584A (en) | 1987-09-24 | 1995-04-26 | Method for dust-control treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62237423A JP2538783B2 (en) | 1987-09-24 | 1987-09-24 | Dustproofing composition |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24836094A Division JP2630370B2 (en) | 1994-09-19 | 1994-09-19 | Dustproofing composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6481883A JPS6481883A (en) | 1989-03-28 |
| JP2538783B2 true JP2538783B2 (en) | 1996-10-02 |
Family
ID=17015136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62237423A Expired - Lifetime JP2538783B2 (en) | 1987-09-24 | 1987-09-24 | Dustproofing composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2538783B2 (en) |
Cited By (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2597124A1 (en) | 2005-06-29 | 2013-05-29 | Nippo Corporation | Method for dust-preventive treatment of material having dusting property |
| WO2013146947A1 (en) | 2012-03-27 | 2013-10-03 | ダイキン工業株式会社 | Aqueous fluoropolymer dispersion |
| WO2013146950A1 (en) | 2012-03-30 | 2013-10-03 | ダイキン工業株式会社 | Non-ionic surfactant composition and fluoropolymer aqueous dispersion |
| WO2014084400A1 (en) | 2012-11-30 | 2014-06-05 | ダイキン工業株式会社 | Production method for polytetrafluoroethylene aqueous dispersion |
| WO2018181898A1 (en) | 2017-03-31 | 2018-10-04 | ダイキン工業株式会社 | Production method for fluoropolymer, surfactant for polymerization, and use of surfactant |
| WO2018181904A1 (en) | 2017-03-31 | 2018-10-04 | ダイキン工業株式会社 | Production method for fluoropolymer, surfactant for polymerization, and use of surfactant |
| WO2019156175A1 (en) | 2018-02-08 | 2019-08-15 | ダイキン工業株式会社 | Method for manufacturing fluoropolymer, surfactant for polymerization, use for surfactant, and composition |
| WO2019168183A1 (en) | 2018-03-01 | 2019-09-06 | ダイキン工業株式会社 | Method for manufacturing fluoropolymer |
| WO2019172382A1 (en) | 2018-03-07 | 2019-09-12 | ダイキン工業株式会社 | Method for producing fluoropolymer |
| WO2020105651A1 (en) | 2018-11-19 | 2020-05-28 | ダイキン工業株式会社 | Production method of modified polytetrafluoroethylene and composition |
| WO2020158940A1 (en) | 2019-02-01 | 2020-08-06 | ダイキン工業株式会社 | Method for producing polytetrafluoroethylene |
| WO2020162623A1 (en) | 2019-02-07 | 2020-08-13 | ダイキン工業株式会社 | Composition, stretched body and method of manufacturing thereof |
| WO2020213691A1 (en) | 2019-04-16 | 2020-10-22 | ダイキン工業株式会社 | Method for producing fluoropolymer powder |
| WO2020218622A1 (en) | 2019-04-26 | 2020-10-29 | ダイキン工業株式会社 | Fluoropolymer aqueous dispersion production method and fluoropolymer aqueous dispersion |
| WO2020218620A1 (en) | 2019-04-26 | 2020-10-29 | ダイキン工業株式会社 | Method for producing aqueous fluoropolymer dispersion, drainage treatment method, and aqueous fluoropolymer dispersion |
| WO2020218618A1 (en) | 2019-04-26 | 2020-10-29 | ダイキン工業株式会社 | Process for producing aqueous fluoropolymer dispersion |
| WO2020226178A1 (en) | 2019-05-08 | 2020-11-12 | ダイキン工業株式会社 | Fluoropolymer production method and fluoropolymer |
| WO2021015291A1 (en) | 2019-07-23 | 2021-01-28 | ダイキン工業株式会社 | Method for producing fluoropolymer, polytetrafluoroethylene composition, and polytetrafluoroethylene powder |
| WO2021045227A1 (en) | 2019-09-05 | 2021-03-11 | ダイキン工業株式会社 | Composition and method for producing same |
| WO2021045228A1 (en) | 2019-09-05 | 2021-03-11 | ダイキン工業株式会社 | Polytetrafluoroethylene aqueous dispersion |
| WO2021066189A1 (en) | 2019-10-03 | 2021-04-08 | ダイキン工業株式会社 | Polytetrafluoroethylene and method for producing same |
| WO2021100836A1 (en) | 2019-11-19 | 2021-05-27 | ダイキン工業株式会社 | Method for producing fluoropolymer, method for producing polytetrafluoroethylene, method for producing perfluoroelastomer, and composition |
| WO2021100835A1 (en) | 2019-11-19 | 2021-05-27 | ダイキン工業株式会社 | Method for producing fluoropolymer |
| WO2021100834A1 (en) | 2019-11-19 | 2021-05-27 | ダイキン工業株式会社 | Polytetrafluoroethylene production method |
| WO2021131996A1 (en) | 2019-12-25 | 2021-07-01 | ダイキン工業株式会社 | Method of producing fluoropolymer |
| WO2022050430A1 (en) | 2020-09-07 | 2022-03-10 | ダイキン工業株式会社 | Aqueous modified polytetrafluoroethylene dispersion |
| WO2022107894A1 (en) | 2020-11-19 | 2022-05-27 | ダイキン工業株式会社 | Method for producing polytetrafluoroethylene, and composition containing polytetrafluoroethylene |
| WO2022163815A1 (en) | 2021-01-28 | 2022-08-04 | ダイキン工業株式会社 | Method for producing fluoropolymer composition |
| WO2022163814A1 (en) | 2021-01-28 | 2022-08-04 | ダイキン工業株式会社 | Method for producing fluoropolymer composition |
| WO2022196804A1 (en) | 2021-03-18 | 2022-09-22 | ダイキン工業株式会社 | Method for producing fluororesin, fluororesin, and aqueous dispersion liquid |
| WO2022244784A1 (en) | 2021-05-19 | 2022-11-24 | ダイキン工業株式会社 | Method for producing fluoropolymer, method for producing polytetrafluoroethylene, and composition |
| WO2023277140A1 (en) | 2021-06-30 | 2023-01-05 | ダイキン工業株式会社 | Method for producing high-purity fluoropolymer-containing composition, and high-purity fluoropolymer-containing composition |
| WO2023277139A1 (en) | 2021-06-30 | 2023-01-05 | ダイキン工業株式会社 | Method for producing fluoropolymer composition, and fluoropolymer composition |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2827152B2 (en) * | 1994-07-11 | 1998-11-18 | 村樫石灰工業株式会社 | Dust suppression method |
| JP4412832B2 (en) * | 2000-08-23 | 2010-02-10 | 麻生ラファージュセメント株式会社 | Dust-proof treatment method for dust-generating powder |
| JP7317307B2 (en) * | 2018-12-28 | 2023-07-31 | 株式会社Nippo | Dust suppression treatment method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49107992A (en) * | 1972-10-20 | 1974-10-14 | ||
| JPS5231990A (en) * | 1976-09-17 | 1977-03-10 | Kewanee Oil Co | Method of controlling dusts |
| JPS60191084A (en) * | 1984-03-09 | 1985-09-28 | 村樫石灰工業株式会社 | Slaked lime fertilizer and manufacture |
-
1987
- 1987-09-24 JP JP62237423A patent/JP2538783B2/en not_active Expired - Lifetime
Cited By (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2597124A1 (en) | 2005-06-29 | 2013-05-29 | Nippo Corporation | Method for dust-preventive treatment of material having dusting property |
| EP2597125A1 (en) | 2005-06-29 | 2013-05-29 | Nippo Corporation | Method for dust-preventive treatment of material having dusting property |
| WO2013146947A1 (en) | 2012-03-27 | 2013-10-03 | ダイキン工業株式会社 | Aqueous fluoropolymer dispersion |
| WO2013146950A1 (en) | 2012-03-30 | 2013-10-03 | ダイキン工業株式会社 | Non-ionic surfactant composition and fluoropolymer aqueous dispersion |
| WO2014084400A1 (en) | 2012-11-30 | 2014-06-05 | ダイキン工業株式会社 | Production method for polytetrafluoroethylene aqueous dispersion |
| WO2018181904A1 (en) | 2017-03-31 | 2018-10-04 | ダイキン工業株式会社 | Production method for fluoropolymer, surfactant for polymerization, and use of surfactant |
| WO2018181898A1 (en) | 2017-03-31 | 2018-10-04 | ダイキン工業株式会社 | Production method for fluoropolymer, surfactant for polymerization, and use of surfactant |
| EP3858871A1 (en) | 2017-03-31 | 2021-08-04 | Daikin Industries, Ltd. | Composition comprising a fluoropolymer |
| EP4257638A2 (en) | 2017-03-31 | 2023-10-11 | Daikin Industries, Ltd. | Production method for fluoropolymer, surfactant for polymerization, and use of surfactant |
| WO2019156175A1 (en) | 2018-02-08 | 2019-08-15 | ダイキン工業株式会社 | Method for manufacturing fluoropolymer, surfactant for polymerization, use for surfactant, and composition |
| WO2019168183A1 (en) | 2018-03-01 | 2019-09-06 | ダイキン工業株式会社 | Method for manufacturing fluoropolymer |
| EP4317214A2 (en) | 2018-03-01 | 2024-02-07 | Daikin Industries, Ltd. | Method for manufacturing fluoropolymer |
| WO2019172382A1 (en) | 2018-03-07 | 2019-09-12 | ダイキン工業株式会社 | Method for producing fluoropolymer |
| WO2020105651A1 (en) | 2018-11-19 | 2020-05-28 | ダイキン工業株式会社 | Production method of modified polytetrafluoroethylene and composition |
| WO2020158940A1 (en) | 2019-02-01 | 2020-08-06 | ダイキン工業株式会社 | Method for producing polytetrafluoroethylene |
| WO2020162623A1 (en) | 2019-02-07 | 2020-08-13 | ダイキン工業株式会社 | Composition, stretched body and method of manufacturing thereof |
| WO2020213691A1 (en) | 2019-04-16 | 2020-10-22 | ダイキン工業株式会社 | Method for producing fluoropolymer powder |
| WO2020218622A1 (en) | 2019-04-26 | 2020-10-29 | ダイキン工業株式会社 | Fluoropolymer aqueous dispersion production method and fluoropolymer aqueous dispersion |
| WO2020218620A1 (en) | 2019-04-26 | 2020-10-29 | ダイキン工業株式会社 | Method for producing aqueous fluoropolymer dispersion, drainage treatment method, and aqueous fluoropolymer dispersion |
| WO2020218618A1 (en) | 2019-04-26 | 2020-10-29 | ダイキン工業株式会社 | Process for producing aqueous fluoropolymer dispersion |
| WO2020226178A1 (en) | 2019-05-08 | 2020-11-12 | ダイキン工業株式会社 | Fluoropolymer production method and fluoropolymer |
| WO2021015291A1 (en) | 2019-07-23 | 2021-01-28 | ダイキン工業株式会社 | Method for producing fluoropolymer, polytetrafluoroethylene composition, and polytetrafluoroethylene powder |
| WO2021045228A1 (en) | 2019-09-05 | 2021-03-11 | ダイキン工業株式会社 | Polytetrafluoroethylene aqueous dispersion |
| WO2021045227A1 (en) | 2019-09-05 | 2021-03-11 | ダイキン工業株式会社 | Composition and method for producing same |
| WO2021066189A1 (en) | 2019-10-03 | 2021-04-08 | ダイキン工業株式会社 | Polytetrafluoroethylene and method for producing same |
| WO2021100835A1 (en) | 2019-11-19 | 2021-05-27 | ダイキン工業株式会社 | Method for producing fluoropolymer |
| WO2021100834A1 (en) | 2019-11-19 | 2021-05-27 | ダイキン工業株式会社 | Polytetrafluoroethylene production method |
| WO2021100836A1 (en) | 2019-11-19 | 2021-05-27 | ダイキン工業株式会社 | Method for producing fluoropolymer, method for producing polytetrafluoroethylene, method for producing perfluoroelastomer, and composition |
| WO2021131996A1 (en) | 2019-12-25 | 2021-07-01 | ダイキン工業株式会社 | Method of producing fluoropolymer |
| WO2022050430A1 (en) | 2020-09-07 | 2022-03-10 | ダイキン工業株式会社 | Aqueous modified polytetrafluoroethylene dispersion |
| WO2022107894A1 (en) | 2020-11-19 | 2022-05-27 | ダイキン工業株式会社 | Method for producing polytetrafluoroethylene, and composition containing polytetrafluoroethylene |
| WO2022163814A1 (en) | 2021-01-28 | 2022-08-04 | ダイキン工業株式会社 | Method for producing fluoropolymer composition |
| WO2022163815A1 (en) | 2021-01-28 | 2022-08-04 | ダイキン工業株式会社 | Method for producing fluoropolymer composition |
| WO2022196804A1 (en) | 2021-03-18 | 2022-09-22 | ダイキン工業株式会社 | Method for producing fluororesin, fluororesin, and aqueous dispersion liquid |
| WO2022244784A1 (en) | 2021-05-19 | 2022-11-24 | ダイキン工業株式会社 | Method for producing fluoropolymer, method for producing polytetrafluoroethylene, and composition |
| WO2023277140A1 (en) | 2021-06-30 | 2023-01-05 | ダイキン工業株式会社 | Method for producing high-purity fluoropolymer-containing composition, and high-purity fluoropolymer-containing composition |
| WO2023277139A1 (en) | 2021-06-30 | 2023-01-05 | ダイキン工業株式会社 | Method for producing fluoropolymer composition, and fluoropolymer composition |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6481883A (en) | 1989-03-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2538783B2 (en) | Dustproofing composition | |
| EP0423836B1 (en) | A method for dust-control treatment | |
| JP2769592B2 (en) | Method for producing artificial kidney perfusion agent for bicarbonate dialysis and artificial kidney perfusion agent | |
| US20080105085A1 (en) | Method Of Production Of High Purity Silver Particles | |
| JPS645803B2 (en) | ||
| EP0386868B1 (en) | Low-density calcium carbonate agglomerate | |
| US2483075A (en) | Method of copper coating iron particles | |
| TW538079B (en) | Substantially anhydrous blowing agent and process for producing the same | |
| US3533760A (en) | Dispersion strengthened nickel-chromium alloy composition | |
| DE1928351A1 (en) | Vanadium-iron alloys and processes for their manufacture | |
| JP2630369B2 (en) | Dustproof treatment method | |
| JPH06241575A (en) | Method for manufacturing chemical pocket heater | |
| JP2005008675A (en) | Silica-magnesia formulation and method for producing the same | |
| JPH07171386A (en) | Activated compressed charcoal filteration material | |
| JP3421818B2 (en) | Garbage disposal method | |
| JP2538782B2 (en) | Dustproof treatment method | |
| US2405566A (en) | Methods of preparing an oxygen | |
| US4169796A (en) | Processing of dicalcium phosphate and sodium montmorillonite | |
| JPH0420844B2 (en) | ||
| JP2630370B2 (en) | Dustproofing composition | |
| US5447682A (en) | Method for production of magnetic coating material | |
| JPH09328340A (en) | Dustproof treatment of dusting powder | |
| Shah et al. | High energy ordered mixture for improving the dissolution rate of sparingly soluble compounds | |
| Banerji et al. | Producing titanium carbide particles in metal matrix and method of using resulting product to grain refine | |
| JPS614770A (en) | Method for modifying surface of inorganic matter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080708 Year of fee payment: 12 |
|
| EXPY | Cancellation because of completion of term | ||
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080708 Year of fee payment: 12 |