WO1998024858A1 - Materiau de revetement - Google Patents
Materiau de revetement Download PDFInfo
- Publication number
- WO1998024858A1 WO1998024858A1 PCT/JP1997/004401 JP9704401W WO9824858A1 WO 1998024858 A1 WO1998024858 A1 WO 1998024858A1 JP 9704401 W JP9704401 W JP 9704401W WO 9824858 A1 WO9824858 A1 WO 9824858A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- proanthocyanidin
- paint
- coating
- wood
- proanthocyanidins
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D15/00—Woodstains
Definitions
- the present invention relates to a paint containing proanthocyanidins.
- General wood painting is a transparent painting that shows the wood material and grain as it is, and furniture painting is the center of this painting technology.
- wood coating has a weak point that cannot be treated uniformly depending on the type of material.
- the grain of the surface varies depending on the sawing method, the degree of expansion and contraction of the saw depends on the grain direction, the structure is uneven, and there is a difference in paint absorption.
- the transparent coating of wood was initially started from oil-based varnish and lacquer varnish, but after that, various synthetic paints or painting methods were developed through Kash-I paint as a substitute for lacquer.
- An object of the present invention is to provide a paint suitable for wood coating.
- the present inventors have conducted intensive studies to solve the above-mentioned problems, and have found that proanthocyanidins can be used as a worsten-like paint.
- Proanthocyanidin has various antioxidant, anti-mutagenic, whitening, arteriosclerosis, myocardial infarction prevention, vascular protection, anti-ulcer, angiotensin transferase inhibitor, antibacterial, deodorant, etc. Although it is known to have a bioactive effect, its use as a paint has not been known until now.
- Proanthocyanidins are condensed tannins present in various plants, A group of compounds composed of flavan-1-ol or flavan-1,4-diol as a structural unit by condensation or polymerization. These are referred to as oral anthocyanidins because they produce anthocyanidins such as cyanidin, delphinidin, and pelargonidine by acid treatment.
- Proanthocyanidins such as dimer, trimer, tetramer and more than 10-mer of the above structural units, such as procyanidin, prodelphinidin and propeller gonidine, and their stereoisomers And the like can be obtained by extracting from various plant bodies, for example, grape seeds, cranberry fruit, apple fruit, red beans or bark of cedar, cypress, pine, and the like.
- proanthocyanidins are commercially available, such as “KPA” (Kikkoman Co., Ltd.), which uses grape seeds as a raw material, “Apple Fonnon” (Nitsuka Ski Co., Ltd.), which uses immature apples as a raw material, “Pycnoji Enol” made from bark (Hofa Research Ltd. (UK)) and others.
- proanthocyanidins As paints, dissolve the proanthocyanidins in water or aqueous alcohol at a concentration of 0.1 to 10%, and apply this solution by a usual method, for example, by brushing or spraying. It can be spray painted.
- the proanthocyanidin concentration of the solution can be freely set between 0 and 100%, and it has a relationship with the solubility of proanthocyanidin. If a high-concentration solution is used, heat it and dissolve it. I just need. For example, it is 0.1 to 10% when it is dissolved in normal temperature water or water-containing alcohol, and 10 to 50% when it is dissolved at 35 to 70 ° C.
- Coating is performed one to several times, and the surface of the object to be coated is impregnated with proanthocyanidin.
- Proanthocyanidin gradually penetrates from the surface of the object to be coated into the inside, and undergoes a polymerization reaction by ultraviolet rays to form a strong film on the surface.
- proanthocyanidins Immediately after applying low-concentration proanthocyanidin to wood, it absorbs ultraviolet light, which is almost colorless and transparent, gradually increases in color, and is painted in a pale brown color. This increase in color is caused by the polymerization of proanthocyanidins.
- the mechanism of such polymerization is the same as that of lacquer, it does not peel off, and can maintain a good coating state for a long time.
- the solvent is water or alcohol
- post-processing such as painting tools can be easily performed. I can.
- the paint of the present invention can be used by mixing with other water-based paints.
- the objects to be coated are wood, paper, fiber (yarn), etc.
- wood by applying it to wood, it is possible to paint with the use of grain, so floor pillars, long presses, ceiling boards, etc. between Japan, etc.
- it is effective for painting furniture and indoor equipment.
- corrosion resistance can be improved, it can be suitably used for outer walls, gates, terraces, log houses, and the like.
- oxidase or peroxidase which can use proanthocyanidin as a substrate, such as laccase, is contained in the proanthocyanidin solution to further enhance the polymerization of the proanthocyanidin.
- oxidase or peroxidase which can use proanthocyanidin as a substrate, such as laccase
- the laccase for example, a laccase secreted by a wood-rot fungus, Hilotake mushroom (Pycnoporus coccineus), in the culture solution can be used. it can.
- This laccase can also be used as a commercial product.
- it is sold by Funakoshi Co., Ltd. and is freely available.
- the amount of laccase added to the proanthocyanidin solution varies depending on the concentration of the proanthocyanidin solution.For example, when the concentration of the proanthocyanidin solution is 0.2%, an enzyme having an enzyme activity of 250 UZm1 is used. The solution may be added at 0.01-1%.
- the color can be changed to various colors by coexisting metal ions in the proanthocyanidin solution. For example, by coexisting iron ions, it is possible to paint in light black.
- the paint according to the present invention has the following effects.
- a paint having a constant component composition can be supplied stably.
- Painted material can be expected to have antibacterial action.
- KPA-40 Commercially available proanthocyanidins extracted from grape seeds (“KPA-40”, manufactured and sold by Kikkoman Co., Ltd.) were 0.2% (A), 1% (B), and 5% (C ) was dissolved in tap water and painted on a cypress board with a brush.
- Coating was performed three times at intervals of 10 minutes, left as it was near the window, and the state of coating was visually observed 30 days after coating. Table 1 shows the results.
- KPA-40 (manufactured by Kikkoman Co., Ltd.) is dissolved in hot water of about 70 ° C to a concentration of 20% (w / v) and 30% (w / v), and brushed on a pine board And painted twice. After the first coating, it was air-dried for 30 minutes, the second coating was performed, and immediately the remaining paint was wiped off with a dry cloth to complete the coating. This was left in the room as it was, and the state of coating was observed. Table 3 shows the results.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002269671A CA2269671C (en) | 1996-12-03 | 1997-12-02 | Coatings |
EP97913494A EP0942053B1 (en) | 1996-12-03 | 1997-12-02 | Coating material |
US09/297,504 US6127157A (en) | 1996-12-03 | 1997-12-02 | Coating material |
DK97913494T DK0942053T3 (da) | 1996-12-03 | 1997-12-02 | Coatingmateriale |
DE69716633T DE69716633T2 (de) | 1996-12-03 | 1997-12-02 | Beschichtungsmaterial |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8/336232 | 1996-12-03 | ||
JP33623296 | 1996-12-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998024858A1 true WO1998024858A1 (fr) | 1998-06-11 |
Family
ID=18297014
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1997/004401 WO1998024858A1 (fr) | 1996-12-03 | 1997-12-02 | Materiau de revetement |
Country Status (6)
Country | Link |
---|---|
US (1) | US6127157A (ja) |
EP (1) | EP0942053B1 (ja) |
CA (1) | CA2269671C (ja) |
DE (1) | DE69716633T2 (ja) |
DK (1) | DK0942053T3 (ja) |
WO (1) | WO1998024858A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999049861A1 (fr) * | 1998-03-31 | 1999-10-07 | Kikkoman Corporation | Agents desodorisants a usage oral pour les eliminations et technique permettant d'attenuer l'odeur des eliminations |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6116982A (ja) * | 1984-07-03 | 1986-01-24 | Kikkoman Corp | 抗酸化剤 |
JPH03200781A (ja) * | 1989-12-28 | 1991-09-02 | Kikkoman Corp | プロアントシアニジンの製造法 |
JPH06336419A (ja) * | 1993-05-28 | 1994-12-06 | Kose Corp | 皮膚外用剤 |
WO1996000561A1 (fr) * | 1994-06-30 | 1996-01-11 | Kyowa Hakko Kogyo Co., Ltd. | Produit stimulant la pousse des cheveux |
JPH08225453A (ja) * | 1994-11-28 | 1996-09-03 | Suntory Ltd | リポプロテイン(a)低下剤及びコレステロール低下剤並びにこれを含有する医薬 |
JPH08228685A (ja) * | 1995-02-28 | 1996-09-10 | Kikkoman Corp | コーヒー飲料の品質安定化法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5569458A (en) * | 1994-09-14 | 1996-10-29 | Greenberg; Mike | Nutritional formula |
US5470874A (en) * | 1994-10-14 | 1995-11-28 | Lerner; Sheldon | Ascorbic acid and proanthocyanidine composition for topical application to human skin |
-
1997
- 1997-12-02 WO PCT/JP1997/004401 patent/WO1998024858A1/ja active IP Right Grant
- 1997-12-02 US US09/297,504 patent/US6127157A/en not_active Expired - Fee Related
- 1997-12-02 CA CA002269671A patent/CA2269671C/en not_active Expired - Fee Related
- 1997-12-02 DK DK97913494T patent/DK0942053T3/da active
- 1997-12-02 DE DE69716633T patent/DE69716633T2/de not_active Expired - Fee Related
- 1997-12-02 EP EP97913494A patent/EP0942053B1/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6116982A (ja) * | 1984-07-03 | 1986-01-24 | Kikkoman Corp | 抗酸化剤 |
JPH03200781A (ja) * | 1989-12-28 | 1991-09-02 | Kikkoman Corp | プロアントシアニジンの製造法 |
JPH06336419A (ja) * | 1993-05-28 | 1994-12-06 | Kose Corp | 皮膚外用剤 |
WO1996000561A1 (fr) * | 1994-06-30 | 1996-01-11 | Kyowa Hakko Kogyo Co., Ltd. | Produit stimulant la pousse des cheveux |
JPH08225453A (ja) * | 1994-11-28 | 1996-09-03 | Suntory Ltd | リポプロテイン(a)低下剤及びコレステロール低下剤並びにこれを含有する医薬 |
JPH08228685A (ja) * | 1995-02-28 | 1996-09-10 | Kikkoman Corp | コーヒー飲料の品質安定化法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP0942053A4 * |
Also Published As
Publication number | Publication date |
---|---|
DE69716633T2 (de) | 2003-02-27 |
DE69716633D1 (de) | 2002-11-28 |
CA2269671A1 (en) | 1998-06-11 |
EP0942053A1 (en) | 1999-09-15 |
EP0942053A4 (en) | 1999-12-08 |
US6127157A (en) | 2000-10-03 |
CA2269671C (en) | 2005-05-10 |
DK0942053T3 (da) | 2002-11-25 |
EP0942053B1 (en) | 2002-10-23 |
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