Highly dispersed precipitated silicas as agents improving products made on the base of polymers and as thickening agents in toothpastes

Krysztafkiewicz, Andrzej; Maik, Marek; Rager, Bożena; Wieczorek, Wojciech

doi:10.1016/0032-5910(93)80022-3

Cited by 8 publications

(5 citation statements)

References 14 publications

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“…Such properties of the pigments operate to a significant extent the chemical composition, particle shape and size distribution as well as surface properties of pigment particles [1][2][3]. For these reasons, the role of inorganic pigments systematically increases as compared to that of organic pigments [4][5][6][7][8][9].…”

Section: Introductionmentioning

confidence: 99%

Adsorption of organic dyes on the aminosilane modified TiO2 surface

2004

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Section: Introductionmentioning

confidence: 99%

Adsorption of organic dyes on the aminosilane modified TiO2 surface

2004

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“…The precipitating agent was introduced until complete precipitation of sodium-aluminium silicate from the reaction medium took place until the pH reached a value close to 10. The reaction resulted in precipitation of a white sediment of sodium-aluminium silicate [2,3,14].…”

Section: Methodsmentioning

confidence: 99%

Silane-modified sodium–aluminium silicates — fillers used in polyurethane elastomers

Werner

Krysztafkiewicz

Jesionowski

et al. 2001

Journal of Adhesion Science and Technology

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Sodium-aluminium silicates of a high degree of dispersion were obtained. Studies on the surface modi cation of sodium-aluminium silicates using silane coupling agents are described. The best modi ers, which induced a change of the silicate surface from a hydrophilic to a hydrophobic one, were selected. Physicochemical analyses of the obtained silicates were performed. The methods of evaluating the degree of surface modi cation of the silicate are presented. Attempts were made to employ the unmodi ed and modi ed sodium-aluminium silicates as llers in polyurethane elastomers. The introduction of sodium-aluminium silicate into urethane elastomer induced increases in composite parameters such as tensile strength, relative elongation, and hardness. The most pronounced reinforcing effects were observed with urethane elastomers lled with sodium-aluminium silicate modi ed with an aminosilane (A-1120).

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“…During the vulcanization of SBR with sulphur, already filled with cement dust modified with UniSilane 41, the filler couples with the rubber matrix according to the proposed scheme [14]. Table 6 lists the physicochemical parameters of Ker 1500 rubber vulcanizates containing different amounts of cement dust and waste silica.…”

Section: Bis(triethoxysilyl)propylmentioning

confidence: 99%

Reinforcing of synthetic rubber with waste cement dust modified by coupling agents

Krysztafkiewicz

Jesionowski

Rager

1997

Journal of Adhesion Science and Technology

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A method for utilizing waste cement dusts as fillers for styrene-butadiene rubber (SBR) is presented. Such fillers were introduced into the elastomer system together with the waste silica (post-HF silica). The surfaces of both fillers were modified using proadhesion compounds (silane and titanate coupling agents). The modified fillers evidently increased strength parameters of the studied vulcanizates. This was attributed to the hydrophobization of their surfaces and to the introduction to the surfaces of functional groups with chemical affinity to the polymer.

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Highly dispersed precipitated silicas as agents improving products made on the base of polymers and as thickening agents in toothpastes

Cited by 8 publications

References 14 publications

Adsorption of organic dyes on the aminosilane modified TiO2 surface

Adsorption of organic dyes on the aminosilane modified TiO2 surface

Silane-modified sodium–aluminium silicates — fillers used in polyurethane elastomers

Reinforcing of synthetic rubber with waste cement dust modified by coupling agents

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