JPH0492817A - Massive tribasic lead sulfate - Google Patents
Massive tribasic lead sulfateInfo
- Publication number
- JPH0492817A JPH0492817A JP20840390A JP20840390A JPH0492817A JP H0492817 A JPH0492817 A JP H0492817A JP 20840390 A JP20840390 A JP 20840390A JP 20840390 A JP20840390 A JP 20840390A JP H0492817 A JPH0492817 A JP H0492817A
- Authority
- JP
- Japan
- Prior art keywords
- lead sulfate
- tribasic lead
- bulk
- massive
- present
- 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
- OCWMFVJKFWXKNZ-UHFFFAOYSA-L lead(2+);oxygen(2-);sulfate Chemical compound [O-2].[O-2].[O-2].[Pb+2].[Pb+2].[Pb+2].[Pb+2].[O-]S([O-])(=O)=O OCWMFVJKFWXKNZ-UHFFFAOYSA-L 0.000 title claims abstract description 30
- 239000000049 pigment Substances 0.000 abstract description 13
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid group Chemical group S(O)(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract description 12
- 235000019646 color tone Nutrition 0.000 abstract description 11
- 239000002002 slurry Substances 0.000 abstract description 7
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 229910000464 lead oxide Inorganic materials 0.000 abstract description 4
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 description 17
- 229920005989 resin Polymers 0.000 description 12
- 239000011347 resin Substances 0.000 description 12
- 239000000654 additive Substances 0.000 description 9
- 239000002245 particle Substances 0.000 description 7
- 230000000996 additive effect Effects 0.000 description 6
- 238000000862 absorption spectrum Methods 0.000 description 5
- 239000003381 stabilizer Substances 0.000 description 5
- HTUMBQDCCIXGCV-UHFFFAOYSA-N lead oxide Chemical compound [O-2].[Pb+2] HTUMBQDCCIXGCV-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000635 electron micrograph Methods 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- UQLDLKMNUJERMK-UHFFFAOYSA-L di(octadecanoyloxy)lead Chemical compound [Pb+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O UQLDLKMNUJERMK-UHFFFAOYSA-L 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000001000 micrograph Methods 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004135 Bone phosphate Substances 0.000 description 1
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 1
- 239000006057 Non-nutritive feed additive Substances 0.000 description 1
- BCKXLBQYZLBQEK-KVVVOXFISA-M Sodium oleate Chemical compound [Na+].CCCCCCCC\C=C/CCCCCCCC([O-])=O BCKXLBQYZLBQEK-KVVVOXFISA-M 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000001054 red pigment Substances 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- BTURAGWYSMTVOW-UHFFFAOYSA-M sodium dodecanoate Chemical compound [Na+].CCCCCCCCCCCC([O-])=O BTURAGWYSMTVOW-UHFFFAOYSA-M 0.000 description 1
- 229940082004 sodium laurate Drugs 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明は、新規な塊状三塩基性硫酸鉛に関し、より詳し
くは樹脂添加剤としての用途を育し、従−来に見られな
い優れた効果を発現する塊状三塩基性硫酸鉛に関する。[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to a novel bulk tribasic lead sulfate, and more specifically, to develop its use as a resin additive, and to achieve excellent properties not seen in the past. Concerning bulk tribasic lead sulfate that exhibits effects.
〈従来の技術および発明か解決しようとする課題〉：塩
基性硫酸鉛は一般式：
％式％
（式中、ｍは０〜３である）で表される化合物であり、
従来より樹脂添加剤として、なかんずくポリ塩化ビニル
等の塩素含有樹脂の添加剤（安定剤）として広く使用さ
れている。<Prior art and problems to be solved by the invention>: Basic lead sulfate is a compound represented by the general formula: % formula % (where m is 0 to 3),
Conventionally, it has been widely used as a resin additive, especially as an additive (stabilizer) for chlorine-containing resins such as polyvinyl chloride.
従来の三塩基性硫酸鉛は、第４図の電子顧微鏡写真から
明らかなように、針状微粉末状であり、その物理特性は
概ね粒度分布で粒径１５μｍ以下のものか９０％、嵩カ
月、０〜２．０ ｍｌ、／ｇ、比表面積１．５ｎｆ／ｇ
である。Conventional tribasic lead sulfate is in the form of an acicular fine powder, as is clear from the electronic micrograph in Figure 4, and its physical properties are approximately 90% of the particles with a particle size of 15 μm or less in particle size distribution. Bulk, 0-2.0 ml/g, specific surface area 1.5nf/g
It is.
しかしながら、従来の三塩基性硫酸鉛は隠蔽力が大きい
ために、これを安定剤として樹脂に添加した場合、特に
不透明な有色品（顔料等を併用する、所謂色もの）では
、所望の色調にするのに多量の顔料を必要とし、また色
調もあまり多彩に変化させることが困難であった。However, conventional tribasic lead sulfate has a large hiding power, so when it is added to resin as a stabilizer, it is difficult to achieve the desired color tone, especially for opaque colored products (so-called colored products that use pigments, etc.). It required a large amount of pigment to do this, and it was difficult to vary the color tone too widely.
従って、本発明の目的は、隠蔽性が低く、有色品を製造
する場合に少量の顔料でも所望の色調を得ることができ
、しかも使用量により多彩な色調を付与できる新規な塊
状三塩基性硫酸鉛を提供することを目的とする。Therefore, the object of the present invention is to provide a novel bulk tribasic sulfuric acid that has low hiding power, can obtain a desired color tone even with a small amount of pigment when producing colored products, and can impart a variety of color tones depending on the amount used. The purpose is to provide lead.
〈課題を解決するための手段および作用〉本発明者らは
上記目的を達成すべく鋭意研究を重ねた結果、０．２〜
１．ｏ＋＋ｌ！！／ｇの嵩を有する塊状三塩基性硫酸鉛
か上記目的を達成できるという新たな事実を見出し、本
発−明を完成するに到った。<Means and effects for solving the problem> As a result of intensive research by the present inventors to achieve the above object, we found that 0.2~
1. o++l! ! The present inventors have discovered the new fact that the above object can be achieved by using bulk tribasic lead sulfate having a bulk of 1.5 oz./g, and have completed the present invention.
かかる本発明の塊状三塩基性硫酸鉛は従来まったく知ら
れていなかった新規な化合物である。The bulk tribasic lead sulfate of the present invention is a novel compound that has not been previously known.
本発明の三塩基性硫酸鉛（以下、本発明化合物という）
は、嵩が０．２〜１．Ｏｎｌ／ｇ、好ましくは０．３〜
０．５ ｍｌ／ ｇのものであり、嵩が０．２ｍｌ／ｇ
より小なるときは、樹脂への分散性に問題があり、逆に
１．０ｍＩ！／ｇより大なるときは従来の三塩基性硫酸
鉛との差異が小さくなり、実用的ではない。Tribasic lead sulfate of the present invention (hereinafter referred to as the compound of the present invention)
has a bulk of 0.2 to 1. Onl/g, preferably 0.3~
0.5 ml/g, and the volume is 0.2 ml/g
If it is smaller than 1.0 mI, there is a problem with dispersibility into the resin! When it is larger than /g, the difference from conventional tribasic lead sulfate becomes small and it is not practical.
さらに、本発明化合物は、粒度分布て粒径１５〜５０μ
ｍのものが５０％以上、好ましくは８０％以上であり、
このような物性値も従来の三塩基性硫酸鉛では見られな
いものである。なお、このものの比表面積は１．４〜１
．７ｉ／ｇである。Furthermore, the compound of the present invention has a particle size distribution of 15 to 50 μm.
m is 50% or more, preferably 80% or more,
Such physical property values are also not found in conventional tribasic lead sulfate. In addition, the specific surface area of this material is 1.4 to 1
．． It is 7i/g.
本発明化合物は、外観的には、従来のそれが針状である
のに対して、第１図の電子顕微鏡写真に示されるように
、塊状である点が特徴である。The compound of the present invention is characterized in that it has a block-like appearance, as shown in the electron micrograph of FIG. 1, whereas conventional compounds have a needle-like appearance.
本発明化合物は、従来と同様に、合成樹脂、とくに塩素
含有樹脂の添加剤（安定剤）として好適に使用される。The compound of the present invention is suitably used as an additive (stabilizer) for synthetic resins, especially chlorine-containing resins, as in the past.
このとき、本発明化合物の添加Ｉは、従来の三塩基性硫
酸鉛とほぼ同量でよく、通常０．０５〜ｌ０ＰＨＲ１好
ましくは２．０〜６．０ＰＨＲ程度である。At this time, the amount of addition I of the compound of the present invention may be approximately the same as that of conventional tribasic lead sulfate, and is usually about 0.05 to 10 PHR, preferably about 2.0 to 6.0 PHR.
また、有色の樹脂成形品を得るために顔料を併用する場
合には、本発明化合物は従来の三塩基性硫酸鉛に比へて
低い隠蔽力を有するため、顔料の使用量を従来の３０〜
７０％まで削減することができ、非常に経済的であると
いう利点かある。一方、従来と同量の顔料を使用すれば
、従来とは別の色調となり、従って広範囲の色調を所望
に応して出すことかてきる。In addition, when using pigments in combination to obtain colored resin molded products, the amount of pigment used can be reduced from 30% to
It has the advantage that it can be reduced by up to 70% and is very economical. On the other hand, if the same amount of pigment is used as before, a different color tone will be obtained, and therefore a wide range of color tones can be produced as desired.
また、本発明化合物は従来の針状の三塩基性硫酸鉛と比
較して嵩が小さいので、粉塵か少なく、それゆえ作業者
か有害な三塩基性硫酸鉛の粉を吸うおそれも少なくなり
、作業環境か大幅に改善される。加えて、本発明化合物
は流動性にも優れているのて、ホッパー内てブリッジを
起こしにくく、作業性の向上にも大きく寄与することか
できる。In addition, since the compound of the present invention has a smaller bulk than conventional acicular tribasic lead sulfate, there is less dust, which reduces the risk of workers inhaling harmful tribasic lead sulfate powder. The working environment will be greatly improved. In addition, since the compound of the present invention has excellent fluidity, bridging does not easily occur in the hopper, and it can greatly contribute to improving workability.
なお、これらの利点のため、本発明化合物は本出願人か
ら商品名ｒＴＬ−４５００Ｊ として近く市販される予
定である。Because of these advantages, the compound of the present invention will soon be commercially available from the applicant under the trade name rTL-4500J.
次に、本発明化合物の製造方法を説明する。Next, a method for producing the compound of the present invention will be explained.
従来の三塩基性硫酸鉛は、酸化鉛（リサージ）を含むス
ラリーに比較的低温（４０〜６０°Ｃ）で硫酸を一度に
添加してこれらを反応させていたが、本発明化合物を得
るには、硫酸を高温（約８０〜１００°Ｃ）でかつ２〜
５回程度に分割して添加して反応を行わせる。これによ
り、塊状の三塩基性硫酸鉛か高収率で得られる。Conventional tribasic lead sulfate was produced by adding sulfuric acid to a slurry containing lead oxide (Lissage) at a relatively low temperature (40 to 60°C) and causing the mixture to react, but in order to obtain the compound of the present invention, To prepare sulfuric acid at high temperature (approximately 80-100°C) and
The reaction is carried out by adding the mixture in about 5 portions. This provides a high yield of bulk tribasic lead sulfate.
前記スラリーは水などの液体中に酸化鉛（リサージ）を
懸濁させて得ることかできる。The slurry can be obtained by suspending lead oxide (Litharge) in a liquid such as water.
硫酸の添加後、さらに添加時の温度を維持させて反応を
完結させる。反応の終了はスラリーか黄色から白色に変
化することによって確認することができる。After the addition of sulfuric acid, the temperature at the time of addition is further maintained to complete the reaction. Completion of the reaction can be confirmed by the slurry changing from yellow to white.
反応終了後、ステアリン酸ナトリウム、ラウリン酸ナト
リウム、オレイン酸ナトリウム等の表面活性剤を適量混
合する。これは樹脂への分散性を改良するためである。After the reaction is completed, an appropriate amount of a surfactant such as sodium stearate, sodium laurate, or sodium oleate is mixed. This is to improve the dispersibility in the resin.
本発明化合物は樹脂添加剤として、顔料のほか、他の種
々の添加剤、例えば安定剤、可塑剤、金属石けん、充填
剤、強化剤、加工助剤、酸化防止剤、滑剤、Ｍ燃剤、プ
レートアウト防止剤なとの通常使用される樹脂添加剤と
併用することができ、これらの添加剤の種類や使用量は
使用目的に応して適宜選択できるものである。The compound of the present invention can be used as a resin additive in addition to pigments, as well as various other additives, such as stabilizers, plasticizers, metal soaps, fillers, reinforcing agents, processing aids, antioxidants, lubricants, M refueling agents, and plates. It can be used in combination with commonly used resin additives such as out-preventing agents, and the types and amounts of these additives can be selected as appropriate depending on the purpose of use.
三塩基性硫酸鉛を含有した樹脂成形品は、建材用なとの
使用するバイブ、板なとの硬質品から電線の被覆材なと
の軟質品まで広範囲にわたっている。Resin molded products containing tribasic lead sulfate range from hard products such as vibrators and plates used in building materials to soft products such as covering materials for electric wires.
〈実施例〉
実施例
積木１１に酸化鉛（リサージ）２００ｇを加え、さらに
６８％酢酸０．３ｍｆを加えてスラリーとし、これを９
５°Ｃに加温した。このスラリーに３００ｇ ／ ｊ７
に調整した硫酸７０ｍｆを３回に分けて徐々に添加した
。添加後、反応の完了を確認し、ついてステアリン酸ナ
トリウム１ｇを１００ｍｊ７の積木に分散させたものを
加え、しばらく攪拌を続けた。ついて、スラリーを一水
洗沖過し、ケーキを１００°Ｃで５時間乾燥して、粉末
状の生成物２２３ｇを得た。<Example> 200 g of lead oxide (Lisurge) was added to Example Building Block 11, and 0.3 mf of 68% acetic acid was added to make a slurry.
Warmed to 5°C. 300g/j7 to this slurry
70 mf of sulfuric acid adjusted to 70 mf was gradually added in three parts. After the addition, completion of the reaction was confirmed, and then 1 g of sodium stearate dispersed in 100 mj7 building blocks was added, and stirring was continued for a while. Then, the slurry was washed with water and filtered, and the cake was dried at 100° C. for 5 hours to obtain 223 g of a powdered product.
生成物の電子顧微鏡写真（ＳＥＭ、 １０００倍）を第
１図に示す。同図から、この生成物は塊状であり、第４
図に示すような従来の針状三塩基性硫酸鉛とは明確に異
なるものであることがわかる。An electronic micrograph (SEM, 1000x magnification) of the product is shown in FIG. From the same figure, this product is lumpy and the fourth
It can be seen that it is clearly different from the conventional acicular tribasic lead sulfate as shown in the figure.
この生成物か三塩基性硫酸鉛であることを赤外線吸収ス
ペクトルにて確認した。この赤外線吸収スペクトルを第
２図に示す。また、比較のため、従来の針状三塩基性硫
酸鉛（堺化学工業■製のＴＬ４０００）の赤外線吸収ス
ペクトルを第３図に示す。It was confirmed by infrared absorption spectrum that this product was tribasic lead sulfate. This infrared absorption spectrum is shown in FIG. For comparison, FIG. 3 shows the infrared absorption spectrum of a conventional acicular tribasic lead sulfate (TL4000 manufactured by Sakai Chemical Industry Co., Ltd.).
使用した測定機器は■高滓製作所製の商品名ＦＴＩＲ４
２００である。測定は分解能２ｃｍ−’、積算回数１０
０回の条件にて行った。The measuring equipment used is ■FTIR4 manufactured by Takasugi Seisakusho.
It is 200. Measurement has a resolution of 2cm-', and the number of integrations is 10.
It was conducted under the condition of 0 times.
生成物の主な物性値は以下のとおりである。The main physical properties of the product are as follows.
外観、白色粉末
嵩 ・ ０．３５ｍ１／ ｇ
水分二０．２％
粒度分布：５０μｍ以上３％
１５〜５０μｍ以上９２％
１５８ｍ以下５％
鉛含育率：８３．０％
試験例
第１表に示す割合で各成分を配合し、８インチロールに
て１７０ ”Ｃて５分間混線後、＋７０°Ｃ１５０ｋｇ
／ａＩｒで５分間プレスして厚さ３肚のシートを作成し
た。このシートの色の濃度を目視で判定した。その結果
を第１表に併せて示す。Appearance, white powder volume - 0.35 m1/g Moisture 2 0.2% Particle size distribution: 50 μm or more 3% 15-50 μm or more 92% 158 m or less 5% Lead content: 83.0% Test examples shown in Table 1 Blend each component in the proportions, mix on an 8-inch roll at 170"C for 5 minutes, then roll at +70°C150kg
/aIr for 5 minutes to produce a sheet with a thickness of 3 degrees. The color density of this sheet was visually determined. The results are also shown in Table 1.
使用した各成分は以下の通りである。The components used are as follows.
ｐｖｃ ：ポリ塩化ビニル（平均重合度１０５０、日本
ゼオン■製のＧｅｏｎ−１０３ＥＰ）ＤＯＰ ジオ
クチルフタレート
ＳＬ−１０００堺化学工業■製のステアリン酸鉛の商品
名
赤色顔料 レジノカラーエ業■製のＮ５−Ｔ−３５−Ｂ
（ウオッチングレッド）
また、表において、実施例品とは上記実施例で得た三塩
基性硫酸鉛を、また比較例品とは従来の針状三塩基性硫
酸鉛（堺化学工業■製のＴＬ−４０００）をそれぞれ意
味している。pvc: Polyvinyl chloride (average degree of polymerization 1050, Geon-103EP manufactured by Nippon Zeon) DOP Dioctyl phthalate SL-1000 Trade name of lead stearate manufactured by Sakai Chemical Industry ■ Red pigment N5-T-35 manufactured by Resino Color Company ■ -B
(Watching Red) In addition, in the table, the example product is the tribasic lead sulfate obtained in the above example, and the comparative example product is the conventional acicular tribasic lead sulfate (manufactured by Sakai Chemical Industry ■). TL-4000) respectively.
色の濃度は、濃度の低い方から順に１から１０までの１
０段階に分けて評価した。The color density is 1 to 10, starting from the lowest density.
The evaluation was divided into 0 stages.
第１表 （単位 重量部）
第１表から、比較例品を用いた試料Ｎα４とほぼ同程度
の色調の成形品か試料Ｎα３てあり、これらの顔料使用
量を比較すると、試料魔３ては同Ｎα４よりも］／３に
顔料使用量を削減できることがわかる。また、試料Ｎα
４と同量の顔料を添加すると（試料Ｎα１）、非常に色
の濃度か高くなっている。Table 1 (Unit: parts by weight) From Table 1, sample Nα3 is a molded product with almost the same color tone as sample Nα4 using a comparative example product, and when comparing the amounts of pigment used, sample Nα3 is It can be seen that the amount of pigment used can be reduced to ]/3 compared to Nα4. Also, sample Nα
When the same amount of pigment as 4 was added (sample Nα1), the color density was extremely high.
〈発明の効果〉
本発明化合物は特定の嵩を有する塊状であるので、樹脂
用添加剤（安定剤）として使用した場合に、隠蔽性か低
く、それゆえ着色製品（有色、白色を含む）に多彩な色
調を付与し、さらに従来の：塩基性硫酸鉛と同程度の色
調を得るためには従来よりも顔料を少量使用すればよい
ので、経済性にも優れている。また、顔料の配合量を適
宜変えることことにより、多彩な色調の有色製品をつく
り出すことができるという効果がある。<Effects of the Invention> Since the compound of the present invention is in the form of a lump with a specific bulk, when used as an additive (stabilizer) for resins, it has low hiding properties and is therefore not suitable for colored products (including colored and white). In addition to providing a wide variety of color tones, it is also excellent in economical efficiency since it is necessary to use a smaller amount of pigment than in the past in order to obtain the same color tones as conventional basic lead sulfate. Furthermore, by appropriately changing the amount of pigment blended, it is possible to create colored products with a wide variety of tones.
加えて、本発明化合物は従来の針状の三塩基性硫酸鉛と
比較して嵩か小さいので、粉塵か少なく、それゆえ作業
者か有害な三塩基性硫酸鉛の粉を吸うおそれも少なくな
り、作業環境が大幅に改善される。また、本発明化合物
は流動性にも優れているので、ホッパー内でブリッジを
起こしにくく、作業性の向上にも大きく寄与することが
できる。In addition, the compound of the present invention has a smaller bulk than conventional acicular tribasic lead sulfate, so there is less dust and therefore there is less risk of workers inhaling harmful tribasic lead sulfate powder. , the working environment will be greatly improved. Furthermore, since the compound of the present invention has excellent fluidity, bridging does not easily occur in the hopper, and it can greatly contribute to improving workability.
第１図は本発明の塊状三塩基性硫酸鉛の粒子構造を示す
電子顕微鏡写真、第２図は実施例で得た生成物の赤外線
吸収スペクトル、第３図は従来の針状三塩基性硫酸鉛の
赤外線吸収スペクトル、第４図は従来の針状三塩基性硫
酸鉛の粒子構造を示す電子顕微鏡写真である。Figure 1 is an electron micrograph showing the particle structure of the bulk tribasic lead sulfate of the present invention, Figure 2 is the infrared absorption spectrum of the product obtained in the example, and Figure 3 is the conventional acicular tribasic lead sulfate. Infrared absorption spectrum of lead, Figure 4 is an electron micrograph showing the particle structure of conventional acicular tribasic lead sulfate.
Claims (1)
硫酸鉛。1, bulk tribasic lead sulfate having a volume of 0.2 to 1.0 ml/g.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2208403A JP3045751B2 (en) | 1990-08-06 | 1990-08-06 | Lumpy tribasic lead sulfate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2208403A JP3045751B2 (en) | 1990-08-06 | 1990-08-06 | Lumpy tribasic lead sulfate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0492817A true JPH0492817A (en) | 1992-03-25 |
| JP3045751B2 JP3045751B2 (en) | 2000-05-29 |
Family
ID=16555674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2208403A Expired - Fee Related JP3045751B2 (en) | 1990-08-06 | 1990-08-06 | Lumpy tribasic lead sulfate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3045751B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102115208A (en) * | 2010-12-31 | 2011-07-06 | 谢善情 | Method for preparing ferrous nitrate and lead sulfate by waste acid generated by preparing titanium white powder with sulfuric acid method |
| CN107768759A (en) * | 2016-08-16 | 2018-03-06 | 北京化工大学 | A kind of method that tribasic lead sulfate is prepared in the scrap lead from oxidation |
| CN108004413A (en) * | 2017-11-27 | 2018-05-08 | 西北矿冶研究院 | Powdery acid-leaching modified white smoke ash composite lead salt stabilizer and preparation method thereof |
-
1990
- 1990-08-06 JP JP2208403A patent/JP3045751B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102115208A (en) * | 2010-12-31 | 2011-07-06 | 谢善情 | Method for preparing ferrous nitrate and lead sulfate by waste acid generated by preparing titanium white powder with sulfuric acid method |
| CN107768759A (en) * | 2016-08-16 | 2018-03-06 | 北京化工大学 | A kind of method that tribasic lead sulfate is prepared in the scrap lead from oxidation |
| CN108004413A (en) * | 2017-11-27 | 2018-05-08 | 西北矿冶研究院 | Powdery acid-leaching modified white smoke ash composite lead salt stabilizer and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3045751B2 (en) | 2000-05-29 |
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