KR840002018A - Method for preparing aqueous suspension of particulate solid material - Google Patents

Method for preparing aqueous suspension of particulate solid material Download PDF

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Publication number
KR840002018A
KR840002018A KR1019820004710A KR820004710A KR840002018A KR 840002018 A KR840002018 A KR 840002018A KR 1019820004710 A KR1019820004710 A KR 1019820004710A KR 820004710 A KR820004710 A KR 820004710A KR 840002018 A KR840002018 A KR 840002018A
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South Korea
Prior art keywords
aqueous suspension
talc
process according
particulate
divalent
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KR1019820004710A
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Korean (ko)
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KR890004337B1 (en
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팔람 게이트 레오나드
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프랜시스 그랜빌래매지
잉글리쉬 클레이스 로버링 포친앤드 캄파니 리미티드
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Publication of KR840002018A publication Critical patent/KR840002018A/en
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Publication of KR890004337B1 publication Critical patent/KR890004337B1/en

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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/10—Treatment with macromolecular organic compounds

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Paper (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)

Abstract

내용 없음No content

Description

입자상 고체물질의 수성현탁액 제조방법Method for preparing aqueous suspension of particulate solid material

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (12)

입자상 활석광물의 수성 현탁액을 형성하고, 그와 함께 실질적인 수용성, 약한 양 전하를 띤 2가 또는 다가 금속의 히드록시 중합체를, 입자상 활석광물내의 활석 단위 그램당 2가 또는 다가 금속이 0.5-20㎎제공되고, 또한 입자상 활석광물과 2가 또는 다가 금속의 히드록시 중합체의 혼합물이 6에서 10범위의 pH를 가지도록 만드는 조건하에서 혼합하는 것으로 이루어지는 입자 형태의 활성광물을 처리하는 방법.Forming an aqueous suspension of particulate talc mineral, together with a substantially water-soluble, weakly charged hydroxy polymer of divalent or polyvalent metal, containing 0.5-20 mg of divalent or polyvalent metal per gram of talc in particulate talc. A method of treating an active mineral in the form of a particle provided, wherein the mixture of particulate talc and a hydroxy polymer of a divalent or polyvalent metal is mixed under conditions such that the mixture has a pH in the range of 6 to 10. 수성 현탁액이 입자상 활석광물을 중량비로 5에서 30%까지 포함하는 것을 특징으로 하는 청구범위 1에 따를 방법.The process according to claim 1, wherein the aqueous suspension comprises from 5 to 30% by weight of particulate talc mineral. 수성 현탁액이 입자상 활석광물을 중량비로 15에서 20%까지 포함하는 것을 특징으로 하는 청구범위 2에 따를 방법.The process according to claim 2, wherein the aqueous suspension comprises from 15 to 20% by weight of particulate talc mineral. 2가 또는 다가 금속이 무색 양이온을 가지는 것을 특징으로 하는 청구범위 1에 따른 방법.Process according to claim 1, wherein the divalent or polyvalent metal has a colorless cation. 입자상 활석광물내의 활석 단위 그램당 2가 또는 다가 금속을 2에서 10㎎제공하는 것을 특징으로 하는 청구범위 1에 따를 방법.The method according to claim 1, which provides from 2 to 10 mg of divalent or polyvalent metal per gram of talc in the particulate talc mineral. 히드록시중합체를 수성 현탁액 내의 제자리에서 침전시켜서 히드록시중합체를 입자상 활석광물의 수성 현탁액과 혼합하는 것을 특징으로 하는 청구범위 1에 따를 방법.The process according to claim 1, wherein the hydroxypolymer is precipitated in situ in the aqueous suspension to mix the hydroxypolymer with an aqueous suspension of particulate talc minerals. 2다 또는 다가 금속염의 용액을 히드록시 중합체가 즉시 침전하지 않도록 하는 pH에서 첨가한 후 현탁액의 pH를 히드록시중합체가 입자상 광물의 입자표면위에 침전하도록pH 6-10의 범위내의 한 값으로 조절하여 히드록시 중합체를 제자리에서 침전시키는 것을 특징으로 하는 청구범위 6에 따를 방법.A solution of divalent or polyvalent metal salt is added at a pH such that the hydroxy polymer does not precipitate immediately, and then the pH of the suspension is adjusted to a value in the range of pH 6-10 so that the hydroxy polymer precipitates on the particle surface of the particulate mineral. Process according to claim 6, characterized in that the hydroxy polymer is precipitated in situ. 히드록시 중합체를 침전시키도록 pH가 6-10범위의 한 값으로 조정되기 전에 염이 현탁액 전체에 균일하게 분산하도록 5에서 30분의 일정기간 동안 염용액을 입자상 활석광물의 수성 현택액과 함께 교반하는 것을 특징으로 하는 청구범위 7에 따를 방법.Stir the salt solution with the aqueous suspension of the particulate talc for a period of 5 to 30 minutes so that the salt is uniformly dispersed throughout the suspension before the pH is adjusted to a value in the range of 6-10 to precipitate the hydroxy polymer. Method according to claim 7, characterized in that the. 2가 또는 다가 금속의 히드록시 중합체가 입자상 활석광물의 수성 현탁액과 혼합되기 전에 별도로 제조되는 것을 특징으로 하는 청구범위 1에 따를 방법.A process according to claim 1, wherein the hydroxy polymer of divalent or polyvalent metal is prepared separately before mixing with the aqueous suspension of the particulate talc. 입자상 활석광물과 히드록시 중합체의 함유하는 수성현탁액을 청구범위 1에 따를 방법.Aqueous suspensions containing particulate talc and hydroxy polymers according to claim 1. 입자상 활석광물과 히드록시 중합체를 여과에 의해 수성 현탁액으로부터 분리하고 깨끗한 물로 세척한 후 중량비로 0에서 50%범위의 수분함량이 되도록 건조하는 것을 특징으로 하는 청구범위 1에 따를 방법.Process according to claim 1, characterized in that the particulate talc and hydroxy polymer are separated from the aqueous suspension by filtration and washed with clean water and dried to a water content in the range of 0 to 50% by weight. 건조된 입자상 활석광물과 히드록시 중합체를 높은 고체 물질 함량을 가지면서 비교적 낮은 점도의 수성 현탁액으로 단지 분산체의 도움만으로 형성하는 것을 특징으로 하는 청구범위 11에 따를 방법.Process according to claim 11, characterized in that the dried particulate talc and hydroxy polymers are formed with the aid of a dispersion with an aqueous suspension of relatively low viscosity with a high solids content. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR8204710A 1981-10-19 1982-10-19 Process for the treatment of particulate the talc mineral for paper coating KR890004337B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB31423 1981-10-19
GB8131423 1981-10-19
GB31423/81 1981-10-19

Publications (2)

Publication Number Publication Date
KR840002018A true KR840002018A (en) 1984-06-11
KR890004337B1 KR890004337B1 (en) 1989-10-31

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KR8204710A KR890004337B1 (en) 1981-10-19 1982-10-19 Process for the treatment of particulate the talc mineral for paper coating

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KR890004337B1 (en) 1989-10-31

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