Provided is a bilayer composition for surface treatment of a steel plate and a surface-treated steel plate using same. The bilayer composition for surface treatment of a steel plate, comprising an undercoat coating composition including 1 to 12 wt % of a phenoxy resin, 0.001 to 1.0 wt % of colloidal silica, 0.001 to 1.0 wt % of a silane coupling agent, 0.1 to 1.0 wt % of a corrosion inhibitor, 0.001 to 1.0 wt % of a phosphoric acid compound as a long-term corrosion resistance improving agent, and a balance of water; and a topcoat coating composition including 0.1 to 5.0 wt % of an acrylic acid resin, 30 to 50 wt % of colloidal silica, 40 to 60 wt % of alkoxy silane, 5 to 15 wt % of an acrylate-based monomer, 0.01 to 1.00 wt % of an acidity control agent, and a balance of an organic solvent.

An adhesive polyorganosiloxane composition includes, at a specific composition ratio: (A) a linear polyorganosiloxane containing an alkenyl group including a low-viscosity linear polyorganosiloxane containing an alkenyl group; (B) a polyorganosiloxane containing at least three alkenyl groups in the molecule; (C1) a polyorganohydrogensiloxane having 3 or more hydrogen atoms bonded to a silicon atom in the molecule; (C2) a linear polyorganohydrogensiloxane having one hydrogen atom bonded to a silicon atom only at both terminals of the molecular chain, and having no aliphatic unsaturated bonds in the molecule; (D) a filler; (E) a platinum group metal compound; and (F) two or more kinds of specific adhesion imparting agent.

An adhesive polyorganosiloxane composition includes, at a specific composition ratio: (A) a linear polyorganosiloxane containing an alkenyl group including a low-viscosity linear polyorganosiloxane containing an alkenyl group; (B) a polyorganosiloxane containing at least three alkenyl groups in the molecule; (C1) a polyorganohydrogensiloxane having 3 or more hydrogen atoms bonded to a silicon atom in the molecule; (C2) a linear polyorganohydrogensiloxane having one hydrogen atom bonded to a silicon atom only at both terminals of the molecular chain, and having no aliphatic unsaturated bonds in the molecule; (D) a filler; (E) a platinum group metal compound; and (F) two or more kinds of specific adhesion imparting agent.

A sealing material composition for LED has excellent heat-resistant transparency, adhesion, and crack resistance, and low sulfur gas permeability. A sealing material composition for LED has the following (A), (B), (C), and (D):

(A): polysiloxane containing units (1-1), (1-2), and (1-3):

##STR00001##

wherein R.sup.1 is C.sub.1-12 alkyl or C.sub.6-20 aryl, R.sup.2 is hydrogen, C.sub.1-12 alkyl, or Si constituting main chain of polysiloxane as (A); (B): polysiloxane containing units (2-1), (2-2), and (2-3):

##STR00002##

wherein R.sup.3 and R.sup.4 are each hydrogen, C.sub.1-12 alkyl, or Si constituting main chain of polysiloxane as (B); (C): adhesive; and (D): condensation catalyst for silanol group.

A photo-aligning liquid crystal alignment layer formed by using a photo-aligning liquid crystal aligning agent containing polyamic acid or a derivative thereof which is synthesized by using tetracarboxylic acid dianhydride having no photoreactive structure having a specific structure and diamine having no photoreactive structure having a specific structure together with at least one of tetracarboxylic acid dianhydride having a photoreactive structure and diamine having a photoreactive structure can reduce storage of residual DC in a liquid crystal display device. Further, the above alignment layer can shorten the relaxation time and can prevent afterimages from being generated.

A photo-aligning liquid crystal alignment layer formed by using a photo-aligning liquid crystal aligning agent containing polyamic acid or a derivative thereof which is synthesized by using tetracarboxylic acid dianhydride having no photoreactive structure having a specific structure and diamine having no photoreactive structure having a specific structure together with at least one of tetracarboxylic acid dianhydride having a photoreactive structure and diamine having a photoreactive structure can reduce storage of residual DC in a liquid crystal display device. Further, the above alignment layer can shorten the relaxation time and can prevent afterimages from being generated.

An organic-inorganic complex-forming composition that includes: a) an organic silicon compound represented by R.sub.nSiX.sub.4-n wherein R represents an organic group having a carbon atom directly bonded to Si, and X represents a hydroxyl group or a hydrolyzable group; and n represents 1 or 2, wherein when n is 2, each R is the same or different, and when (4−n) is 2 or more, each X is the same or different and having a solubility parameter (SP1) of R obtained by Fedors' estimation method smaller than a solubility parameter (SP2) of a thermosetting compound obtained by Fedors' estimation method, and a difference between the SP1 and the SP2 is 1.6 or more (Si1), and/or a condensate thereof; and b) a thermosetting compound (excluding an olefin polymer).

Provided is a one-pack type adhesive which contains (A) an epoxy resin, (B) a curing agent, (C) a curing accelerator, (D) an inorganic filler and (E) a polycarbodiimide compound, and wherein: the curing agent (B) contains at least one amine-based curing agent; the curing accelerator (C) contains at least one capsule type curing accelerator; the inorganic filler (D) contains at least one flake-like inorganic filler; and the content of the inorganic filler (D) is 10-200 parts by mass relative to 100 parts by mass of the epoxy resin (A).

The present invention relates to compositions comprising a binder which comprises at least one alkoxy-functional polysiloxane, and at least one crosslinking catalyst, the crosslinking catalyst representing a silicon-containing guanidine compound, and also, optionally, an alkoxysilane as crosslinker.

The present invention relates to compositions comprising a binder which comprises at least one alkoxy-functional polysiloxane, and at least one crosslinking catalyst, the crosslinking catalyst representing a silicon-containing guanidine compound, and also, optionally, an alkoxysilane as crosslinker.