JP2002522349A5 - - Google Patents

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Publication number
JP2002522349A5
JP2002522349A5 JP2000564914A JP2000564914A JP2002522349A5 JP 2002522349 A5 JP2002522349 A5 JP 2002522349A5 JP 2000564914 A JP2000564914 A JP 2000564914A JP 2000564914 A JP2000564914 A JP 2000564914A JP 2002522349 A5 JP2002522349 A5 JP 2002522349A5
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Japan
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dry
cement
mixture
paste
ratio
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JP2000564914A
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JP4607321B2 (ja
JP2002522349A (ja
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Priority claimed from PCT/EP1999/005819 external-priority patent/WO2000009459A1/en
Publication of JP2002522349A publication Critical patent/JP2002522349A/ja
Publication of JP2002522349A5 publication Critical patent/JP2002522349A5/ja
Application granted granted Critical
Publication of JP4607321B2 publication Critical patent/JP4607321B2/ja
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Expired - Fee Related legal-status Critical Current

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低い水含量は、固いから極めて乾いたコンシステンシー、典型的なＷ／Ｃ比が0.36またはそれより低く、好ましくは0.30またはそれより低いセメント乾燥成型混合物を提供する。理論によって制限されることなく、低い水含量は、セメント乾燥成型混合物を水和させ、そしてより早く凝結させ、セメント乾燥成型混合物からつくられる製品の生地強度を増す。これはまた、製品が型枠から取りはずされたり、ダイスから成形されるとき、少ないサグや変形を生むと考えられる。さらに、本発明のセメント乾燥成型混合物は乾いたからほとんど乾いた外観を有する。
例４
異なる分散剤との混合物の振動へのペースト反応を試験する。各混和材が同じＷ／Ｃ比で比較される。各ペースト混合物はＷ／Ｃ比0.248でセメント650gおよび水161gを含有した。以下の分散剤：Ａ（ポリオキシアルキレン誘導化メタクリレートポリマー）；Ｂ（ポリオキシアルキレン誘導化スチレンマレイン酸共重合体）；およびＣ（ヒドロキシアルキル誘導化メタクリレート共重合体）がリグニンスルホン酸カルシウムと比較される。レベルはＡ、ＢおよびＣに対して0.049％であり、そしてリグニンスルホン酸カルシウムに対して0.188％である。ペーストをASTM C-305配合操作を用いて作成した。すべてがパテ状のコンシステンシーを有したが、リグニンスルホン酸カルシウムペーストが他の混合物よりも目だってより湿潤性である。
JP2000564914A 1998-08-14 1999-07-30 セメント乾燥成型混合物 Expired - Fee Related JP4607321B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US9650098P 1998-08-14 1998-08-14
US60/096,500 1998-08-14
US13310499P 1999-05-07 1999-05-07
US60/133,104 1999-05-07
PCT/EP1999/005819 WO2000009459A1 (en) 1998-08-14 1999-07-30 Cementitious dry cast mixture

Publications (3)

Publication Number Publication Date
JP2002522349A JP2002522349A (ja) 2002-07-23
JP2002522349A5 true JP2002522349A5 (ja) 2006-10-26
JP4607321B2 JP4607321B2 (ja) 2011-01-05

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Family Applications (1)

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JP2000564914A Expired - Fee Related JP4607321B2 (ja) 1998-08-14 1999-07-30 セメント乾燥成型混合物

Country Status (10)

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US (2) US6267814B1 (ja)
EP (1) EP1104394B1 (ja)
JP (1) JP4607321B2 (ja)
AT (1) ATE254093T1 (ja)
CA (1) CA2339118C (ja)
DE (1) DE69912804T2 (ja)
DK (1) DK1104394T3 (ja)
ES (1) ES2211157T3 (ja)
PT (1) PT1104394E (ja)
WO (1) WO2000009459A1 (ja)

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