JP2011016979A - Coating composition for tableware or chopsticks, tableware, chopsticks and method of manufacturing the same - Google Patents
Coating composition for tableware or chopsticks, tableware, chopsticks and method of manufacturing the same Download PDFInfo
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- 239000008199 coating composition Substances 0.000 title claims abstract description 45
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 239000011347 resin Substances 0.000 claims abstract description 36
- 229920005989 resin Polymers 0.000 claims abstract description 36
- 239000013521 mastic Substances 0.000 claims abstract description 32
- 239000000025 natural resin Substances 0.000 claims abstract description 28
- 238000000576 coating method Methods 0.000 claims abstract description 26
- 239000011248 coating agent Substances 0.000 claims abstract description 25
- 235000015112 vegetable and seed oil Nutrition 0.000 claims abstract description 20
- 239000008158 vegetable oil Substances 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 18
- 239000003960 organic solvent Substances 0.000 claims abstract description 16
- 235000014113 dietary fatty acids Nutrition 0.000 claims abstract description 10
- 229930195729 fatty acid Natural products 0.000 claims abstract description 10
- 239000000194 fatty acid Substances 0.000 claims abstract description 10
- 239000011247 coating layer Substances 0.000 claims abstract description 9
- 150000004665 fatty acids Chemical class 0.000 claims abstract description 8
- UFTFJSFQGQCHQW-UHFFFAOYSA-N triformin Chemical compound O=COCC(OC=O)COC=O UFTFJSFQGQCHQW-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000010665 pine oil Substances 0.000 claims abstract description 6
- 235000019502 Orange oil Nutrition 0.000 claims abstract description 5
- 239000010502 orange oil Substances 0.000 claims abstract description 5
- 239000003973 paint Substances 0.000 claims description 21
- 239000001293 FEMA 3089 Substances 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 11
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 7
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 7
- 239000011425 bamboo Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 241001330002 Bambuseae Species 0.000 claims 2
- 239000003513 alkali Substances 0.000 abstract description 5
- 241000779819 Syncarpia glomulifera Species 0.000 abstract 1
- 239000001739 pinus spp. Substances 0.000 abstract 1
- 229940036248 turpentine Drugs 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 239000004922 lacquer Substances 0.000 description 10
- 239000000944 linseed oil Substances 0.000 description 9
- 235000021388 linseed oil Nutrition 0.000 description 9
- 239000003925 fat Substances 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 244000082204 Phyllostachys viridis Species 0.000 description 5
- 239000002585 base Substances 0.000 description 5
- 239000003240 coconut oil Substances 0.000 description 5
- 235000019864 coconut oil Nutrition 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 235000019871 vegetable fat Nutrition 0.000 description 5
- 235000013305 food Nutrition 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 235000019198 oils Nutrition 0.000 description 4
- 239000000049 pigment Substances 0.000 description 4
- 229920003002 synthetic resin Polymers 0.000 description 4
- 239000000057 synthetic resin Substances 0.000 description 4
- -1 terpene fatty acid Chemical class 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 235000019498 Walnut oil Nutrition 0.000 description 2
- 238000001723 curing Methods 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 235000019197 fats Nutrition 0.000 description 2
- 239000003350 kerosene Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 235000007586 terpenes Nutrition 0.000 description 2
- 239000002383 tung oil Substances 0.000 description 2
- 239000008170 walnut oil Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 241000208140 Acer Species 0.000 description 1
- 235000019489 Almond oil Nutrition 0.000 description 1
- 244000226021 Anacardium occidentale Species 0.000 description 1
- 244000020518 Carthamus tinctorius Species 0.000 description 1
- 235000003255 Carthamus tinctorius Nutrition 0.000 description 1
- 229920000298 Cellophane Polymers 0.000 description 1
- 244000163122 Curcuma domestica Species 0.000 description 1
- 235000003392 Curcuma domestica Nutrition 0.000 description 1
- 208000010201 Exanthema Diseases 0.000 description 1
- 235000016623 Fragaria vesca Nutrition 0.000 description 1
- 240000009088 Fragaria x ananassa Species 0.000 description 1
- 235000011363 Fragaria x ananassa Nutrition 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 239000004640 Melamine resin Substances 0.000 description 1
- 229930182559 Natural dye Natural products 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 235000019484 Rapeseed oil Nutrition 0.000 description 1
- 235000019485 Safflower oil Nutrition 0.000 description 1
- 208000007107 Stomach Ulcer Diseases 0.000 description 1
- 235000019486 Sunflower oil Nutrition 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 238000003848 UV Light-Curing Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000008168 almond oil Substances 0.000 description 1
- 235000019606 astringent taste Nutrition 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 235000015278 beef Nutrition 0.000 description 1
- 230000031018 biological processes and functions Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 235000020226 cashew nut Nutrition 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 235000003373 curcuma longa Nutrition 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000010642 eucalyptus oil Substances 0.000 description 1
- 229940044949 eucalyptus oil Drugs 0.000 description 1
- 201000005884 exanthem Diseases 0.000 description 1
- 125000005313 fatty acid group Chemical group 0.000 description 1
- 235000021323 fish oil Nutrition 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 230000009422 growth inhibiting effect Effects 0.000 description 1
- 238000007602 hot air drying Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 239000000171 lavandula angustifolia l. flower oil Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- 239000000978 natural dye Substances 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000001047 purple dye Substances 0.000 description 1
- 206010037844 rash Diseases 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 239000010668 rosemary oil Substances 0.000 description 1
- 229940058206 rosemary oil Drugs 0.000 description 1
- 235000005713 safflower oil Nutrition 0.000 description 1
- 239000003813 safflower oil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002600 sunflower oil Substances 0.000 description 1
- 239000002345 surface coating layer Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000000979 synthetic dye Substances 0.000 description 1
- 239000003760 tallow Substances 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 239000000606 toothpaste Substances 0.000 description 1
- 229940034610 toothpaste Drugs 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
- 235000013976 turmeric Nutrition 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Landscapes
- Table Devices Or Equipment (AREA)
- Table Equipment (AREA)
- Paints Or Removers (AREA)
Abstract
Description
本発明は、食器又は箸用天然樹脂塗料、それを用いた食器・箸、及びそれらの製造方法に関するものであり、特に漆に代替する天然樹脂を用い、食器・箸用塗料として安全であり、かつ耐久性・耐水性・実用性に優れた食器用塗料、食器・箸、及びそれらの製造方法に関するものである。 The present invention relates to a natural resin paint for tableware or chopsticks, tableware and chopsticks using the same, and a method for producing the same, particularly using a natural resin that replaces lacquer, and is safe as a paint for tableware and chopsticks, The present invention also relates to a coating material for tableware, tableware and chopsticks having excellent durability, water resistance, and practicality, and a method for producing the same.
現在、食器又は箸の材質としては、各種の木、竹、金属、プラスチック、象牙等が知られており、食器類の表面は丁寧に研削され、合成樹脂、漆及びカシュー塗料等で被覆されることが多い。
食器・箸の塗料として用いられる合成樹脂としては、ウレタン樹脂、メラミン樹脂、フェノール樹脂等が知られている。しかし、これらの合成樹脂には、イソシアネートやホルマリン等の人体にとって有害となる物質が含まれており、所定の基準値以下に残留有害物質を抑止することはできるものの、残留有害物質を完全に除去できないという問題があった。
At present, various materials such as wood, bamboo, metal, plastic, and ivory are known as tableware or chopsticks, and the surface of the tableware is carefully ground and covered with synthetic resin, lacquer, cashew paint, etc. There are many cases.
As a synthetic resin used as a paint for tableware and chopsticks, urethane resin, melamine resin, phenol resin and the like are known. However, these synthetic resins contain substances that are harmful to the human body, such as isocyanate and formalin, and although they can suppress residual harmful substances below the specified standard value, they are completely removed. There was a problem that I could not.
また漆は天然樹脂であることから、合成樹脂を混合しない限り安全性の観点からは問題はない。また、漆の塗布された道具は漆器と称され、その美観と耐久性等が評価され、今日では高級な食器・箸等の表面処理被覆用樹脂として重用されている。
ただし、かかる漆器は色が限定されるという問題点を有している。すなわち、黒漆と赤漆を用いて黒、濃い茶色、若しくは赤色に塗り分けることや、酸化チタン系顔料を用いる染色方法が知られているが、未だに塗装色は限定されており、特に無色に近い塗装色を得ることは不可能であった。
Since lacquer is a natural resin, there is no problem from the viewpoint of safety unless a synthetic resin is mixed. In addition, lacquered tools are called lacquerware, and their aesthetics and durability are evaluated. Today, they are used as surface treatment coating resins for high-quality tableware and chopsticks.
However, such a lacquer ware has a problem that the color is limited. In other words, black lacquer and red lacquer are used separately for black, dark brown, or red, and dyeing methods using titanium oxide pigments are known, but the paint color is still limited, especially in colorless It was impossible to obtain a close paint color.
さらに漆は、空気に晒すと直ちに硬化するため塗装には湿度や温度の管理を十分にしなければならない等、相当の技術や熟練を要するという問題があった。また漆は、皮膚に触れるとかぶれを起こすことが多く、取り扱いが面倒であるという問題もあった。
そのため、漆に替わる他の天然樹脂についても研究がなされていたが、人体に無害な天然樹脂を食器・箸用塗料として使用する例としては、わずかに柿渋が知られている程度であり、その以外の天然樹脂は耐久性の観点から実用に耐える塗料は少なかった。
Furthermore, since lacquer hardens immediately when exposed to air, there is a problem that considerable skill and skill are required for coating, for example, the humidity and temperature must be sufficiently controlled. In addition, lacquer often causes rash when it touches the skin, and there is also a problem that handling is troublesome.
Therefore, other natural resins that replace lacquer have also been studied, but as an example of using natural resins that are harmless to the human body as paints for tableware and chopsticks, there are only a few known strawberry astringency, There were few paints that could withstand practical use from the viewpoint of durability.
そこで本発明者は、天然樹脂であるマスティック樹脂の利用を検討した。
かかるマスティック樹脂は、主にギリシャのヒオス島に自生する植物から採れる無色透明〜淡黄色半透明の樹脂である。またマスティック樹脂を使用した食品（特許文献１）、歯磨き粉（特許文献２）、化粧品（特許文献３）等が知られており、安全性について問題はない。
そして、現在のところマスティック樹脂を配合した食器用塗料は当業者において全く知られていない。
Therefore, the present inventor examined the use of mastic resin, which is a natural resin.
Such a mastic resin is a colorless transparent to light yellow translucent resin that is mainly taken from a plant that grows naturally on Chios Island in Greece. Foods using a mastic resin (Patent Document 1), toothpaste (Patent Document 2), cosmetics (Patent Document 3) and the like are known, and there is no problem with safety.
At present, a table paint containing a mastic resin is not known at all to those skilled in the art.
上述の如く、本発明者は天然樹脂としてマスティック樹脂を利用した食器・箸用塗料について研究を重ねた。
しかしマスティック樹脂は、溶媒に溶解させることは可能であったが、耐久性の観点から実用に耐える塗料を得ることができなかった。その原因は、マスティック樹脂はテルペン系脂肪酸であり、耐水性に劣り、物理的な耐久性が得られないことに起因すると考えた。
As described above, the present inventor has conducted research on paints for tableware and chopsticks using mastic resin as a natural resin.
However, it was possible to dissolve the mastic resin in a solvent, but from the viewpoint of durability, a paint that could withstand practical use could not be obtained. The cause was thought to be that the mastic resin is a terpene fatty acid and has poor water resistance and physical durability cannot be obtained.
そこで本発明は、食器・箸用塗料として安全であり、無色に近い光沢性を有した塗料を提供し、耐水性、耐久性、耐アルカリ性及び実用性に優れた塗布層が形成された食器・箸を提供することを目的とする。
さらに、マスティック樹脂を利用した塗料用組成物、それを用いた食器又は箸を、簡便な方法により、低コストで提供することができる製造方法を提供することを目的とする。
Therefore, the present invention provides a paint that is safe as a paint for tableware and chopsticks and has a gloss that is almost colorless, and is provided with a coating layer that is excellent in water resistance, durability, alkali resistance, and practicality. The purpose is to provide chopsticks.
Furthermore, it aims at providing the manufacturing method which can provide the composition for coatings using a mastic resin, the tableware using the same, or chopsticks by a simple method at low cost.
本発明者は、上記課題を解決するために以下の構成を採用した。
（１）少なくとも、（ａ）天然樹脂、（ｂ）植物性油脂、を有することを特徴とする食器又は箸用塗料組成物である。
（２）前記（ａ）天然樹脂が、マスティック樹脂であることを特徴とする上記（１）記載の食器又は箸用塗料組成物である。
（３）前記（ａ）天然樹脂と（ｂ）植物性油脂とがエステル結合していることを特徴とする上記（１）又は（２）に記載された食器又は箸用塗料組成物である。
（４）前記（ｂ）植物性油脂が、脂肪酸トリグリセライドであることを特徴とする上記（１）乃至（３）のいずれか一に記載された食器又は箸用塗料組成物である。
The present inventor has adopted the following configuration in order to solve the above problems.
(1) A coating composition for tableware or chopsticks comprising at least (a) a natural resin and (b) a vegetable oil.
(2) The tableware or chopsticks coating composition according to (1) above, wherein the natural resin (a) is a mastic resin.
(3) The coating composition for tableware or chopsticks described in (1) or (2) above, wherein (a) natural resin and (b) vegetable oil are ester-bonded.
(4) The coating composition for tableware or chopsticks described in any one of (1) to (3) above, wherein (b) the vegetable oil is fatty acid triglyceride.
（５）前記食器又は箸用塗料組成物を１００重量％とした場合、前記（ａ）１〜９９重量％、（ｂ）１〜９９重量％を含有することを特徴とする上記（１）乃至（４）のいずれか一に記載された食器又は箸用塗料組成物である。
（６）前記食器又は箸用塗料組成物が、さらに（ｃ）有機溶剤を有することを特徴とする上記（１）乃至（５）のいずれか一に記載された食器又は箸用塗料組成物である。
（７）前記（ｃ）有機溶剤が、パイン油、テレピン油、オレンジ油のいずれか一であることを特徴とする上記（６）記載の食器又は箸用塗料組成物である。
（８）前記（ｃ）有機溶剤が、前記食器又は箸用塗料組成物を１００重量％とした際、前記（ｃ）２０〜８０重量％を含有することを特徴とする上記（６）又は（７）に記載された食器又は箸用塗料組成物である。
（９）上記（１）乃至（８）のいずれか一の食器用塗料組成物によって木製又は竹製の食器又は箸の表面に塗布層を形成したことを特徴とする食器又は箸である。
(5) Said (1) thru | or characterized by containing said (a) 1-99 weight%, (b) 1-99 weight%, when the said coating composition for tableware or chopsticks is made into 100 weight%. It is the coating composition for tableware or chopsticks described in any one of (4).
(6) The tableware or chopsticks coating composition according to any one of (1) to (5) above, wherein the tableware or chopsticks coating composition further comprises (c) an organic solvent. is there.
(7) The coating composition for tableware or chopsticks according to (6) above, wherein the organic solvent (c) is any one of pine oil, turpentine oil, and orange oil.
(8) The above (6) or (6), wherein (c) the organic solvent contains (c) 20 to 80% by weight when the coating composition for tableware or chopsticks is 100% by weight. The coating composition for tableware or chopsticks described in 7).
(9) A tableware or chopsticks characterized in that a coating layer is formed on the surface of a wooden or bamboo tableware or chopsticks by using the coating composition for tableware according to any one of (1) to (8) above.
（１０）天然樹脂と脂肪酸トリグリセライドの植物性油脂とを加熱溶融することによってエステル化させた後、有機溶剤を加えることによって組成物を得ることを特徴とする食器・箸用塗料の製造方法である。
（１１）前記天然樹脂が、マスティック樹脂であることを特徴とする上記（１０）記載の食器・箸用塗料の製造方法である。
（１２）上記（９）乃至（１１）のいずれか一に記載された方法によって得られた組成物を、木製又は竹製の食器又は箸の表面に塗布した後、紫外線を照射する硬化工程を有することを特徴とする食器又は箸の製造方法である。
(10) A method for producing a paint for tableware and chopsticks, wherein a natural resin and a vegetable oil of fatty acid triglyceride are esterified by heating and melting, and then a composition is obtained by adding an organic solvent. .
(11) The method for producing a paint for tableware and chopsticks as described in (10) above, wherein the natural resin is a mastic resin.
(12) A curing step in which the composition obtained by the method described in any one of (9) to (11) above is applied to the surface of wooden or bamboo tableware or chopsticks and then irradiated with ultraviolet rays. It is a manufacturing method of the tableware or chopsticks characterized by having.
本発明は、食器・箸用塗料として安全であり、無色に近い光沢性を有した塗料を提供することが可能であり、同時に耐水性、耐久性、耐アルカリ性及び実用性に優れた食器又は箸用塗料組成物、食器・箸を提供し得るという優れた効果を奏する。
さらに、マスティック樹脂を利用した塗料組成物、それを用いた食器又は箸を、簡便な方法により、低コストで提供することができるという効果を奏する。
The present invention is safe as a coating material for tableware and chopsticks, and can provide a coating material having gloss that is almost colorless, and at the same time, is a tableware or chopsticks excellent in water resistance, durability, alkali resistance, and practicality. The present invention has an excellent effect that it can provide a paint composition, tableware and chopsticks.
Furthermore, it is possible to provide a coating composition using a mastic resin and tableware or chopsticks using the same at a low cost by a simple method.
本発明に係る食器又は箸用塗料組成物は、少なくとも天然樹脂、植物性油脂、有機溶剤を有することを特徴とする。
ここで、天然樹脂としては、主にギリシャのヒオス島に自生する植物から採れる無色透明〜淡黄色半透明のマスティック樹脂が使用される。マスティック樹脂は、シグマ・ケミカルズ社製、スペクトラム社製、ビオランド・ファルファン社製のものが知られている。勿論、天然に産する樹脂であれば他の結晶、溶液等を用いても良い。
The coating composition for tableware or chopsticks according to the present invention is characterized by having at least a natural resin, a vegetable oil and an organic solvent.
Here, as the natural resin, a colorless transparent to light yellow translucent mastic resin which is mainly taken from a plant growing naturally on Chios Island in Greece is used. As the mastic resin, those made by Sigma Chemicals, Spectrum, and Bioland Farfan are known. Of course, other crystals, solutions, etc. may be used as long as they are naturally occurring resins.
かかるマスティック樹脂は、歯科分野において口腔内の歯型をとったり、接着剤として用いることができるため、人体への有害性は極めて低いと考えられる。また近年の学術文献において、胃潰瘍の原因となるピロリ菌に対して増殖阻止効果があることが発表されている。このようなマスティック樹脂と天然油脂のみで構成した組成物が得られれば、理論的には人体への影響が極力少ない食器・箸用塗料組成物が得られることになる（非特許文献１参照）。
また本発明に使用されるマスティック樹脂は、食器又は箸用塗料組成物の全量を１００重量％とした場合、１〜９９重量％含有させることが可能である。好ましくは１０〜９０重量％含有することが好ましい。より好ましくは２０重量％を超え５０重量％未満含有することが好ましい。更に好ましくは３０重量％〜４０重量％含有することが好ましい。食器又は箸用塗料組成物において、マスティック樹脂を上記範囲とし残部を植物性油脂等とすることによって、耐久性、耐水性、光沢性等に優れた食器又は箸用塗料組成物を得ることができる。
Since such a mastic resin can be used as a dental mold in the oral cavity or used as an adhesive in the dental field, it is considered that its harmfulness to the human body is extremely low. In recent academic literature, it has been announced that it has a growth inhibitory effect against H. pylori causing gastric ulcers. If a composition composed only of such a mastic resin and natural fats and oils is obtained, a coating composition for tableware and chopsticks that theoretically has little influence on the human body can be obtained (see Non-Patent Document 1). ).
The mastic resin used in the present invention can be contained in an amount of 1 to 99% by weight when the total amount of the coating composition for tableware or chopsticks is 100% by weight. The content is preferably 10 to 90% by weight. More preferably, it contains more than 20% by weight and less than 50% by weight. More preferably, it is 30 to 40% by weight. In a coating composition for tableware or chopsticks, a mastic resin can be obtained in the above range and the balance is vegetable oil or the like to obtain a coating composition for tableware or chopsticks excellent in durability, water resistance, glossiness, etc. it can.
また植物性油脂としては、脂肪酸トリグリセライドである植物脂が好ましいが、他の植物性油脂であっても良い。例えば、亜麻仁油、桐油、芥子油、荏油、ウォルナット油、ひまわり油、アーモンド油、胡桃油、椰子油、紅花油、牛脂、魚油、菜種油、大豆油、天然油脂より精製されたグリセリン等が使用できる。中でも亜麻仁油、桐油、芥子油、荏油が好ましい。特に亜麻仁油における脂肪酸の分子構造中には二から三の二重結合が存在し、紫外線や酸素によって架橋しやすいため、架橋後に耐水性、耐久性、耐アルカリ性が向上し、実用性に優れた食器用塗料を提供することができるからである。
本発明に使用される植物性油脂は、食器又は箸用塗料組成物の全量を１００重量％とした場合、１〜９９重量％含有させることが可能である。好ましくは１０〜９０重量％含有することが好ましい。より好ましくは２０重量％〜３０重量％が好ましい。食器又は箸用塗料組成物において、植物性油脂を上記範囲とし残部を天然樹脂とすることによって、耐久性、耐水性等に優れた食器又は箸用塗料組成物を得ることができる。
Moreover, as vegetable oil and fat, vegetable fat which is fatty acid triglyceride is preferable, but other vegetable oils and fats may be used. For example, linseed oil, tung oil, coconut oil, coconut oil, walnut oil, sunflower oil, almond oil, walnut oil, coconut oil, safflower oil, beef tallow, fish oil, rapeseed oil, soybean oil, glycerin refined from natural oils, etc. it can. Of these, linseed oil, tung oil, coconut oil and coconut oil are preferred. In particular, there are two to three double bonds in the fatty acid molecular structure in linseed oil, and it is easy to crosslink with ultraviolet rays and oxygen, so water resistance, durability, and alkali resistance are improved after cross-linking, and it is highly practical. It is because the coating material for tableware can be provided.
The vegetable oil used in the present invention can be contained in an amount of 1 to 99% by weight when the total amount of the coating composition for tableware or chopsticks is 100% by weight. The content is preferably 10 to 90% by weight. More preferably, it is 20 to 30% by weight. In the coating composition for tableware or chopsticks, by using vegetable oils and fats in the above range and the balance being natural resin, a coating composition for tableware or chopsticks excellent in durability, water resistance and the like can be obtained.
また有機溶剤としては、天然の松根油、パイン油、テレピン油、オレンジ油、ユーカリ油、ローズマリー油、ラベンダー油等が使用できる。中でもパイン油、テレピン油、オレンジ油が好適である。
ここで、石油ナフサ、トルエン、キシレン、灯油、ケロシン等は溶剤として使用可能であるが、食器や箸用のに塗料としては、安全衛生面から適切ではない。
本発明に使用される有機溶剤は、食器又は箸用塗料組成物の全量を１００重量％とした場合、２０重量％〜８０重量％が好ましい。より好ましくは３０重量％〜５０重量％が好ましい。食器又は箸用塗料組成物において、有機溶剤を上記範囲とし残部を天然樹脂とすることによって、刷毛塗りに適した粘度を得ることができ、オフセット印刷も可能となる。耐久性、光沢性等に優れた食器又は箸用塗料組成物を得ることができる。
As the organic solvent, natural pine oil, pine oil, turpentine oil, orange oil, eucalyptus oil, rosemary oil, lavender oil and the like can be used. Of these, pine oil, turpentine oil and orange oil are preferred.
Here, petroleum naphtha, toluene, xylene, kerosene, kerosene and the like can be used as solvents, but they are not suitable as a paint for tableware or chopsticks from the viewpoint of safety and hygiene.
The organic solvent used in the present invention is preferably 20% by weight to 80% by weight when the total amount of the coating composition for tableware or chopsticks is 100% by weight. More preferably, it is 30 to 50% by weight. In the coating composition for tableware or chopsticks, when the organic solvent is in the above range and the balance is natural resin, a viscosity suitable for brush coating can be obtained, and offset printing is also possible. A coating composition for tableware or chopsticks having excellent durability and gloss can be obtained.
上記のマスティック樹脂、植物性油脂を有機溶剤に分散させてなる塗料を、木製又は竹製の食器又は箸の表面に塗布した後、乾燥させることによって、安全であり、かつ耐久性のある無色に近い塗布層を有した食器や箸を得ることができる。
また、塗布層を無色に近づけることによって、材料の質感や風合い、食器や箸の表面に直接描いた図柄や文字等が視認し得る製品を提供することができる。
なお、上記の天然塗料組成物に染料又は顔料を添加することによって、所望の塗装色を得ることもできる。例えば、アカネ、アイ、ウコン、ベニバナ、ムラサキ等の植物性の天然染料、食品用として使用可能な合成染料や顔料等、公知の染料及び顔料が挙げられる。
The above-mentioned mastic resin and vegetable oil are dispersed in an organic solvent and applied to the surface of wooden or bamboo tableware or chopsticks, and then dried to provide a safe and durable colorless Tableware and chopsticks having a coating layer close to.
In addition, by making the coating layer close to colorless, it is possible to provide a product in which the texture and texture of the material, the designs and characters drawn directly on the surface of tableware and chopsticks can be visually recognized.
In addition, a desired coating color can also be obtained by adding a dye or a pigment to said natural coating composition. For example, well-known dyes and pigments such as vegetable natural dyes such as red, eye, turmeric, safflower, and purple, and synthetic dyes and pigments that can be used for foods can be used.
ここで乾燥工程として、ＵＶライトを用いた紫外線を照射すると、塗布膜が紫外線硬化により架橋結合するので、より耐水性が良く、酸アルカリにも強い耐久性のある実用性の高い食器又は箸を製造することができる。 Here, as the drying process, when the UV light using UV light is irradiated, the coating film crosslinks by UV curing, so a highly practical tableware or chopsticks with better water resistance and durability against acid-alkali are used. Can be manufactured.
以下、実施の形態の一例を記載する。本発明は以下の形態に限定されるものではない。
本発明は、漆を使用せず、耐久性のある天然樹脂、天然油脂のみで構成される塗料を提供するものである。天然樹脂としては、多環テルペン類に属するマスカノジェノン酸を主成分とするマスティック樹脂を骨格として、脂肪酸トリグリセライドである植物性油脂とのエステル交換による天然物のみのエステルを製造する。
Hereinafter, an example of the embodiment will be described. The present invention is not limited to the following forms.
This invention provides the coating material comprised only with durable natural resin and natural fats and oils, without using lacquer. As a natural resin, an ester of only a natural product is produced by transesterification with a vegetable oil that is a fatty acid triglyceride, using a mastic resin having a main component of mascanogenic acid belonging to polycyclic terpenes as a skeleton.
本発明に係る食器又は箸用塗料組成物は、マスティック樹脂と脂肪酸トリグリセライドがエステル結合した組成物を、有機溶剤であるテレピン油に溶解させることによって食器等の表面に塗布可能な塗料となる。
食器又は箸の表面に形成された塗布層は、自然乾燥又は１００℃前後の熱風乾燥で乾燥させた後、日光またはＵＶライトを用いた紫外線発生装置により硬化させて堅固な塗装膜を得ることができる。特に紫外線発生装置によって紫外線を照射することによって、食器又は箸の表面に塗布層を形成する時間を大幅に短縮することができる。
The coating composition for tableware or chopsticks according to the present invention is a coating material that can be applied to the surface of tableware or the like by dissolving a composition in which a mastic resin and a fatty acid triglyceride are ester-bonded in turpentine oil, which is an organic solvent.
The coating layer formed on the surface of the tableware or chopsticks may be dried by natural drying or hot air drying at around 100 ° C. and then cured by an ultraviolet ray generator using sunlight or UV light to obtain a firm coating film. it can. In particular, the time for forming the coating layer on the surface of the tableware or chopsticks can be greatly reduced by irradiating the ultraviolet rays with the ultraviolet ray generator.
以下、本発明に係る食器又は箸用塗料組成物の一実施品を製造し、塗布層が形成された木製食器を製造した後、耐久性、耐水性、光沢性の試験を行った。
（１）塗料組成物の製造
以下の組成割合の天然樹脂及び植物性油脂を５種類生産した。ここで液体状のマスティック樹脂としては連合マスティック樹脂キオス公社製のものを用い、亜麻仁油としてはリノキシンオイルＨ（日本リノキシン社）、テレピン油は日本リノキシン社製のものを用いた。
Hereinafter, after manufacturing one tableware or a chopsticks coating composition according to the present invention and producing a wooden tableware with a coating layer, durability, water resistance, and glossiness were tested.
(1) Manufacture of coating composition Five types of natural resins and vegetable oils and fats having the following composition ratios were produced. Here, as the liquid mastic resin, those manufactured by Union Mastic Resin Chios Corporation were used, as linseed oil, linoxin oil H (Nippon Linoxin Co., Ltd.) and turpentine oil manufactured by Nippon Linoxin Co., Ltd. were used.
実施例１
（ａ）マスティック樹脂 ３００ｇ
（ｂ）亜麻仁油 ３００ｇ
（ｃ）テレピン油 ４００ｇ
実施例２
（ａ）マスティック樹脂 ４００ｇ
（ｂ）亜麻仁油 ２００ｇ
（ｃ）テレピン油 ４００ｇ
Example 1
(A) Mastic resin 300g
(B) Linseed oil 300g
(C) Turpentine oil 400g
Example 2
(A) Mastic resin 400g
(B) Linseed oil 200g
(C) Turpentine oil 400g
参考例１
（ａ）マスティック樹脂 １００ｇ
（ｂ）亜麻仁油 ５００ｇ
（ｃ）テレピン油 ４００ｇ
参考例２
（ａ）マスティック樹脂 ２００ｇ
（ｂ）亜麻仁油 ４００ｇ
（ｃ）テレピン油 ４００ｇ
参考例３
（ａ）マスティック樹脂 ５００ｇ
（ｂ）亜麻仁油 １００ｇ
（ｃ）テレピン油 ４００ｇ
Reference example 1
(A) Mastic resin 100g
(B) Linseed oil 500g
(C) Turpentine oil 400g
Reference example 2
(A) Mastic resin 200g
(B) Linseed oil 400g
(C) Turpentine oil 400g
Reference example 3
(A) Mastic resin 500g
(B) Linseed oil 100g
(C) Turpentine oil 400g
上記（ａ）及び（ｂ）を攪拌混合すると共に、２００℃４時間加熱することによりエステル化樹脂を得た。得られたエステル化樹脂に上記（ｃ）を加えた後固形物３０％になるまで攪拌混合した後、濾過することによって食器又は箸用塗料組成物を得た。 While stirring and mixing the above (a) and (b), the esterified resin was obtained by heating at 200 ° C. for 4 hours. After adding the above (c) to the obtained esterified resin, the mixture was stirred and mixed until the solid content became 30%, and then filtered to obtain a coating composition for tableware or chopsticks.
（２）木製基材の製造
長さ１０ｃｍ×幅１０ｃｍ×高さ３ｃｍの木材板（カエデ材）の基材を用意した。かかる基材の表面を♯１５００のサンドペーパーを用いて研磨仕上げした。
（３）塗膜形成基材の製造
上記で得られた塗料組成物を刷毛で塗布した後、自然乾燥を１時間行った。かかる工程を繰り返し三度塗りを行った。その後、自然放置乾燥後、２０Ｗの紫外線蛍光管を使用した紫外線ライトの下に静置し、４時間紫外線照射を行い乾燥硬化を行った。
(2) Manufacture of a wooden base material The base material of the wood board (maple material) of length 10cm x width 10cm x height 3cm was prepared. The surface of the base material was polished and finished using # 1500 sandpaper.
(3) Manufacture of coating-film formation base material After apply | coating the coating composition obtained above with a brush, natural drying was performed for 1 hour. This process was repeated three times. Then, after natural standing drying, it was left to stand under an ultraviolet light using a 20 W ultraviolet fluorescent tube and irradiated with ultraviolet rays for 4 hours for drying and curing.
（４）各種試験
ｉ）耐久性試験（塗膜強度）
塗料組成物が硬化したことを確認した後、カッターナイフで切り込みを入れ、１ｍｍ間隔の縦横１０本づつの格子切り込み線を基材表面に形成した。
次に市販のセロハンテープを格子切り込み線上に貼着した後、剥離した。
剥離後の塗膜の残存を目視によって観察し、塗膜の残存率が９０％未満のものを×とし、９０％〜１００％の残存率を示すものを○として、以下の表１に示した。
(4) Various tests i) Durability test (coating film strength)
After confirming that the coating composition was cured, cuts were made with a cutter knife, and 10 vertical and horizontal grid cut lines at 1 mm intervals were formed on the substrate surface.
Next, after a commercially available cellophane tape was stuck on the grid cut line, it was peeled off.
The coating film remaining after peeling was observed with the naked eye, and the coating film remaining rate of less than 90% was evaluated as x, and the sample showing the remaining rate of 90% to 100% was evaluated as ○. .
ii）耐水性試験
上記で得られた塗膜形成基材を沸騰水に５分間浸漬した。その後、基材の外観を目視観察した。塗膜に濁りが発生しているものを×とし、濁りが発生していないものを○とした。
iii)光沢性試験
上記で得られた塗膜形成基材の表面を目視によって観察し、光沢性の優れたものを○とした。
ii) Water resistance test The coating film-forming substrate obtained above was immersed in boiling water for 5 minutes. Thereafter, the appearance of the substrate was visually observed. The case where turbidity occurred in the coating film was evaluated as x, and the case where turbidity did not occur was evaluated as ◯.
iii) Glossiness test The surface of the coating film-forming substrate obtained above was observed with the naked eye.
（５）試験結果
得られた木製食器の表面塗布層を視認により精査したところ、得られた塗装膜は透明であり、淡く赤黄色を帯びているが、基材表面の模様を視認することができ、素地の色とほとんど変わらないものであることが確認できた。以下の表１に上記試験の結果をまとめて示す。
(5) Test results When the surface coating layer of the obtained wooden tableware was scrutinized by visual inspection, the obtained coating film was transparent and lightly reddish yellow, but the pattern on the substrate surface could be visually confirmed. It was confirmed that it was almost the same as the base color. Table 1 below summarizes the results of the above test.
本発明に係る天然樹脂塗料は、食器用塗料として高光沢性を有すると共に、安全性、耐水性、耐久性及び実用性に優れる。また食器等の基材表面に描かれた模様等の保護材として使用できる。そのため、皿、椀、箸、匙、鉢、弁当箱、重箱、湯飲み、盆等、木製・竹製の食器類の塗料として広く利用することができる。 The natural resin paint according to the present invention has high gloss as a tableware paint and is excellent in safety, water resistance, durability and practicality. Moreover, it can be used as a protective material for a pattern or the like drawn on the surface of a substrate such as tableware. Therefore, it can be widely used as a paint for wooden and bamboo tableware such as dishes, bowls, chopsticks, bowls, bowls, lunch boxes, heavy boxes, cups, trays, etc.
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| JP6232634B1 (en) * | 2017-05-31 | 2017-11-22 | 株式会社すなおネット | Tableware products and methods for providing tableware products |
| JP6270235B1 (en) * | 2017-09-29 | 2018-01-31 | 株式会社すなおネット | Tableware products |
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| JP2003277687A (en) * | 2002-03-27 | 2003-10-02 | Serarika Noda:Kk | Natural coating material and method for producing the same |
| JP2004194683A (en) * | 2002-10-24 | 2004-07-15 | Hyozaemon:Kk | Production method of chopsticks |
| JP2005075912A (en) * | 2003-08-29 | 2005-03-24 | Gifu Seratsuku Seizosho:Kk | Coating agent, building material, paper, film, food-packaging material, food-packaging container, and tableware |
| JP2008001785A (en) * | 2006-06-21 | 2008-01-10 | Meiji Univ | Japanese lacquer-based coating, method for producing the same, and japanese lacquer-coated material |
| JP2008214601A (en) * | 2007-03-05 | 2008-09-18 | Naoharu Yoshida | Medium for tube oil paint including mastic resin dissolved in drying oil |
| JP2009034351A (en) * | 2007-08-01 | 2009-02-19 | Hyozaemon:Kk | Chopstick |
| JP3148899U (en) * | 2008-12-18 | 2009-03-05 | 株式会社兵左衛門 | chopsticks |
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| JP6232634B1 (en) * | 2017-05-31 | 2017-11-22 | 株式会社すなおネット | Tableware products and methods for providing tableware products |
| JP6270235B1 (en) * | 2017-09-29 | 2018-01-31 | 株式会社すなおネット | Tableware products |
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