초록 ▼

The present invention provides a photoresponsive gas-generating material that is to be used in a micropump of a microfluid device having fine channels formed therein, and is capable of effectively generating gases for transporting a microfluid in response to light irradiation and transporting the mi

The present invention provides a photoresponsive gas-generating material that is to be used in a micropump of a microfluid device having fine channels formed therein, and is capable of effectively generating gases for transporting a microfluid in response to light irradiation and transporting the microfluid at an improved transport efficiency. The present invention also provides a micropump incorporating the photoresponsive gas-generating material. A photoresponsive gas-generating material 13 is to be used in a micropump having fine channels formed in a substrate, and comprises a photo-sensitive acid-generating agent and an acid-sensitive gas-generating agent, and a micropump 10 has the photoresponsive gas-generating material 13 housed therein.

대표청구항 ▼

1. A photoresponsive gas-generating material in a micropump of a microfluid device having a fine channel formed in a substrate, comprising: at least one photo-sensitive base-generating agent (A) selected from the group consisting of cobalt amine complexes, o-nitrobenzyl carbamate, oxime esters, carb

1. A photoresponsive gas-generating material in a micropump of a microfluid device having a fine channel formed in a substrate, comprising: at least one photo-sensitive base-generating agent (A) selected from the group consisting of cobalt amine complexes, o-nitrobenzyl carbamate, oxime esters, carbamoyloxy imino group-containing compounds capable of generating an amine in response to light irradiation and represented by formula (1): wherein R1 represents an n-valent organic group; R2 and R3 individually represent a hydrogen, an aromatic group, or an aliphatic group, and may be the same as or different from each other; and n is an integer of 1 or more, andsalts of carboxylic acids (al) represented by formula (2) and basic compounds (a2); anda base multiplier (B) 2. The photoresponsive gas-generating material according to claim 1, wherein the photoresponsive gas-generating material comprises 50 to 200 parts by weight of the base multiplier with respect to 100 parts by weight of the photo-sensitive base-generating agent. 3. The photoresponsive gas-generating material according to claim 1 or 2, further comprising an amino alkyl compound (C). 4. The photoresponsive gas-generating material according to claim 1 or 2, further comprising a binder resin. 5. The photoresponsive gas-generating material according to claim 2, wherein the photoresponsive gas-generating material comprises 20 to 500 parts by weight of the photo-sensitive base-generating agent (A) and 10 to 1,000 parts by weight of the base multiplier (B) with respect to 100 parts by weight of the binder resin. 6. The photoresponsive gas-generating material according to claim 1, which is in a tablet, fine particle or film form. 7. A photoresponsive gas-generating part, comprising: the photoresponsive gas-generating material according to claim 1; and a supporting member for supporting said photoresponsive gas-generating material. 8. A micropump to be used in a microfluid device having a fine channel formed in a substrate, comprising, in said micropump, at least one selected from the group consisting of the photoresponsive gas-generating material according to claim 1, a photoresponsive gas-generating tablet made of said photoresponsive gas-generating material, a photoresponsive gas-generating fine particulate material made of said photoresponsive gas-generating material, and a photoresponsive gas-generating film made of said photoresponsive gas-generating material. 9. The micropump according to claim 7, wherein a gas-generating chamber defining said micropump is provided in said substrate,an optical window is provided on one of said substrate to face the gas-generating chamber, andsaid photoresponsive gas-generating material is housed in said gas-generating chamber. 10. A micropump, wherein said micropump comprises the photoresponsive gas-generating material according to claim 1 is in a film form,a gas-generating unit having an opening on a surface of a substrate is provided on said substrate to define the micropump, andsaid film-form photoresponsive gas-generating material is attached on the surface of said substrate so that said gas-generating unit is sealed with said film-form photoresponsive gas-generating material. 11. A microfluid device, having a fine channel formed in a substrate, wherein said microfluid device comprises: a first plate having at least two of said micropumps built in said substrate; anda second plate laminated on said first plate and having a groove or a through hole to constitute a fine channel, andsaid micropump has the photoresponsive gas-generating material according to claim 1 as a driving source. 12. The microfluid device according to claim 11, wherein the photoresponsive gas-generating material has a plurality of said fine channels, and further comprises a light shielding layer extending over openings of said fine channels adjacent to each other in a plain view and shielding said gas-generating unit from light.