摘要:
Provided are a composite lubricating material, engine oil, grease and lubricant, excellent in lubricity. The composite lubricating material comprises at least a graphite-based carbon material and/or graphene-like exfoliated from the graphite-based carbon material dispersed in a base material. The graphite-based carbon material is characterized by having a rhombohedral graphite layer (3R) and a hexagonal graphite layer (2H), wherein a Rate (3R) of the rhombohedral graphite layer (3R) and the hexagonal graphite layer (2H), based on an X-ray diffraction method, which is defined by following Equation 1 is 31% or more: Rate 3 R = P 3 / P 3 + P 4 × 100 wherein P3 is a peak intensity of a (101) plane of the rhombohedral graphite layer (3R) based on the X-ray diffraction method, and P4 is a peak intensity of a (101) plane of the hexagonal graphite layer (2H) based on the X-ray diffraction method.
摘要翻译:提供复合润滑材料,发动机油,润滑脂和润滑剂,润滑性优异。 复合润滑材料至少包含从分散在基材中的石墨基碳材料剥离的石墨基碳材料和/或石墨烯。 石墨基碳材料的特征在于具有菱方石墨层(3R)和六方石墨层(2H),其中菱面体石墨层(3R)和六方石墨层(2H)的速率(3R)基于 在以下等式1定义的X射线衍射方法为31%以上:速率3 R = P 3 / P 3 + P 4×100其中,P3是菱面体的(101)面的峰强度 基于X射线衍射法的石墨层(3R),P4是基于X射线衍射法的六方石墨层(2H)的(101)面的峰值强度。
摘要:
Provided is a graphite-based carbon material useful as a graphene precursor, from which graphene is easily exfoliated when the graphite-based carbon material is useful as a precursor and from which a highly-concentrated graphene dispersion can easily be obtained. The graphite-based carbon material is a graphite-based carbon material useful as a graphene precursor wherein a Rate (3R) based on an X-ray diffraction method, which is defined by following Equation 1 is 31% or more: Rate 3 R = P 3 / P 3 + P 4 × 100 wherein P3 is a peak intensity of a (101) plane of the rhombohedral graphite layer (3R) based on the X-ray diffraction method, and P4 is a peak intensity of a (101) plane of the hexagonal graphite layer (2H) based on the X-ray diffraction method.
摘要翻译:提供了一种石墨基碳材料,其可用作石墨烯前体,当石墨基碳材料用作前体时,石墨烯易于剥离,并且可以容易地获得高浓度的石墨烯分散体。 作为石墨烯前体的石墨类碳材料是石墨类碳材料,其中,由下述式1定义的基于X射线衍射法的速度(3R)为31%以上:率3 ¢ R = P ¢3 / P ¢3 + P ¢4×100其中P3是基于X射线衍射法的菱方石墨层(3R)的(101)面的峰强度,P4是 基于X射线衍射法的六方石墨层(2H)的(101)面的峰强度。
摘要:
A heat conductivity improving agent which can provide high heat conductivity to a resin. The heat conductivity improving agent comprises a magnesium hydroxide particle having a thickness of 10 nm to 0. 2 µm and an aspect ratio (long diameter/thickness) measured by a SEM method of not less than 10.
摘要:
A composite is provided, comprising a matrix material and a plurality of semiconductor structures cross-linked with, polarity bound by, or tethered to the matrix material, each semiconductor structure comprising:a nanocrystalline core comprising a first semiconductor material;a nanocrystalline shell comprising a second, different, semiconductor material at least partially surrounding the nanocrystalline core; andan insulator layer encapsulating the nanocrystalline shell and core.Further, a method of fabricating a composite is provided.
摘要:
The invention relates to coated metal pigments which comprise a metal core and a coating surrounding the metal core. At least 60 wt.% of the metal core consists of at least one ferromagnetic metal. The coating surrounding the metal core has at least one surrounding metal oxide layer and at least one surrounding chemically nonreactive plastic layer, the content of the at least one metal oxide layer being at least 9 wt.% and the content of the at least one plastic layer being at least 0.4 wt.%, in each case based on the weight of the uncoated metal pigment, and the at least one metal oxide layer surrounding the metal core is not an oxidation product of the metal core. The invention further relates to a method for producing the metal pigments and to the use thereof.
摘要:
An alumina particle (1) of the present invention has an alumina body with a short axis length (b) of 1 to 10 nm, a long axis length (a) of 20 to 400 nm and an aspect ratio (a/b) of 5 to 80. The alumina body is expressed by a Formula I, and n is not less than 0.
摘要:
The present invention relates to a process for preparing a coloured effect pigment, comprising: (i) coating aluminium-based substrate particles in an aqueous coating medium with at least one metal oxide layer, wherein the metal oxide is selected from a titanium oxide, an iron oxide, or any mixture thereof, (ii) providing a mixture of the coated aluminium-based substrate particles and a particulate inorganic non-metallic material in the aqueous coating medium by adding the particulate inorganic non-metallic material to the aqueous coating medium, and (iii) separating the mixture of the coated aluminium-based substrate particles and the particulate inorganic non-metallic material from the aqueous coating medium and subjecting the separated mixture to a thermal drying step so as to obtain a dry coloured effect pigment material.