Eternal Chemical Corporation

Kaohsiung, Taiwan

Eternal Chemical Corporation

Kaohsiung, Taiwan
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Patent
New E Materials Co. and Eternal Chemical Co. | Date: 2013-02-12

The present invention pertains to a passivation layer disposed on a surface of a substrate for use in solar cells, including a first passivation layer formed on the substrate by screen printing. The present invention also pertains to a method for preparing the passivation layer structure. The method according to the present invention can prepare a passivation layer on a surface of a semiconductor substrate by screen printing, and during the screen printing, a patterning step can be performed simultaneously. Therefore, the present invention is able to produce the passivation layer in a more economic and faster manner.


Patent
Eternal Chemical Co. | Date: 2013-05-03

A self-sensitive polymerizable liquid resin is provided, which contains an uncrosslinked Michael addition reaction product of the following components: a Michael donor, a Michael accepter and optionally a viscosity modifier. The Michael accepter has 5 to 18 acryloyl functional groups. The self-sensitive polymerizable liquid resin of the present invention is capable of being used as an aid in a coating composition and providing a good property in deep radiation curing, and is particularly applicable in color coatings.


Patent
Eternal Chemical Co. | Date: 2014-05-15

The invention pertains to a conductive material formulation comprising:


Patent
Eternal Chemical Co. | Date: 2013-12-27

A polyimide (PI) having two COOH capping groups at each end is provided. A coating composition is further provided, which contains the PI and a hardening agent having 2 to 6 functional groups capable of reacting with COOH. A PI coating layer and PI film formed by the coating composition of the present invention possess excellent chemical resistance and coefficient of thermal expansion (CTE), which makes them applicable in fabrication of protective materials for active/passive devices, optical materials, touch panels, copper foil substrates, soft flexible electronic materials or integrated circuit elements, or film substrate for glass film touch panels.


Patent
Eternal Chemical Co. | Date: 2014-05-27

The present invention provides a biomedical device comprising a porous hydrophilic substrate; a hydrophobic material; a fluid inlet; two or more test zones, wherein fluid vertically flows through the porous hydrophilic substrate and then distributes into the test zones. The present invention further provides a method for making a biomedical device.


Patent
Eternal Chemical Co. | Date: 2014-03-28

A passivation composition and use of the composition in a method of forming a conductive pattern are provided. The passivation composition includes an oxidizing agent, an inorganic base with a general formula M(OH)_(n )and a solvent, wherein M is a metal ion and n is the valence number of the metal ion. The method includes the following steps: (a) forming a polymer conductive layer on a substrate, wherein the polymer conductive layer is consisting of a first area and a second area. The first area is corresponding to a conductive area to be formed; and (b) passivating the second area by using the passivation composition to reduce the conductivity of the second area and form the conductive pattern on the substrate.


Patent
Eternal Chemical Co. | Date: 2013-04-09

The present invention provides a conductive coating composition, which contains: a conductive organic polymer, a non-conductive organic compound, a solvent and optionally a curing agent; where the content of the conductive organic polymer is about 10% to about 50%, based on the total weight of the solids content in the composition. The present invention also provides a conductive film, which is formed by drying the conductive coating composition. The conductive film has a surface resistivity lower than 1000 /sq and a total light transmittance greater than 80%. The conductive coating composition of the present invention can be used as an electromagnetic interference shielding material or an electrode material, and can be applied to various electronic products.


Sulfur-containing oligomer and dendrimer of acrylate and preparation methods thereof are provided. The sulfur-containing oligomer and dendrimer of acrylate are prepared by reacting monomers A and B in Michael addition reaction.


Patent
Eternal Chemical Co. | Date: 2014-04-30

A curable composition comprises the following: (A) a branched polymer having an average unit formula (I): [(R)_(2)SiO_(2/2)]_(a)[(CH_(2)CH)(R)_(2)SiO_(1/2)]_(b)[RSiO_(3/2)]_(c)[O_(1/2)Si(R)_(2)(CH_(2)CH_(2))(R)_(2)SiO_(1/2)]_(e); (B) a branched organopolysiloxane having at least one silicon-bonded alkenyl group and having a siloxane unit of formula R^(4)SiO_(3/2); (C) an organopolysiloxane having an average unit formula (II) being capped with H: (R^(5)_(2)SiO_(2/2))_(f)(R^(6)_(3)SiO_(1/2))_(g)(R^(7)SiO_(3/2))_(h)(SiO_(4/2))_(i)(CH_(2)CH_(2))_(j); and (D) a catalyst, wherein R, R^(4 )to R^(7), a to c, e and f to j are as defined in the specification.


Patent
Eternal Chemical Co. | Date: 2014-04-30

A curable composition comprises the following: (A) a polymer having at least two silicon-bonded alkenyl groups and having an average unit formula (I): (R^(1)_(2)SiO_(2/2))_(a1)(R^(2)_(3)SiO_(1/2))_(b1)(CH_(2)CH_(2))_(e1); (B) a branched organopolysiloxane having at least one silicon-bonded alkenyl group and having a siloxane unit of formula R^(4)SiO_(3/2); (C) an organopolysiloxane having an average unit formula (II) being capped with H: (R^(5)_(2)SiO_(2/2))_(f)(R^(6)_(3)SiO_(1/2))_(g)(R^(7)SiO_(3/2))_(h)(SiO_(4/2))_(i)(CH_(2)CH_(2))_(j); and (D) a catalyst, wherein R^(1), R^(2 )and R^(4 )to R^(7 )and a1, b1, e1 and f to j are as defined in the specification.

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