JPH04306647A - White polymer compound, reflection supporting body for photograph using it, and supporting body for photographic paper - Google Patents
White polymer compound, reflection supporting body for photograph using it, and supporting body for photographic paperInfo
- Publication number
- JPH04306647A JPH04306647A JP9951291A JP9951291A JPH04306647A JP H04306647 A JPH04306647 A JP H04306647A JP 9951291 A JP9951291 A JP 9951291A JP 9951291 A JP9951291 A JP 9951291A JP H04306647 A JPH04306647 A JP H04306647A
- Authority
- JP
- Japan
- Prior art keywords
- polymer
- supporting body
- photographic paper
- photograph
- reflection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920000642 polymer Polymers 0.000 title claims abstract description 50
- 150000001875 compounds Chemical class 0.000 title abstract 5
- 239000002245 particle Substances 0.000 claims abstract description 31
- 239000000839 emulsion Substances 0.000 claims abstract 2
- 239000000203 mixture Substances 0.000 claims description 16
- 229920006254 polymer film Polymers 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- 238000000149 argon plasma sintering Methods 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- 239000010408 film Substances 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 abstract 1
- 239000010409 thin film Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 10
- 239000011148 porous material Substances 0.000 description 9
- 230000003746 surface roughness Effects 0.000 description 9
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 7
- 238000004898 kneading Methods 0.000 description 6
- 229920005792 styrene-acrylic resin Polymers 0.000 description 5
- 239000004925 Acrylic resin Substances 0.000 description 4
- 229920000178 Acrylic resin Polymers 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- -1 polyethylene terephthalate Polymers 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 229920006037 cross link polymer Polymers 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 229920002284 Cellulose triacetate Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000001023 inorganic pigment Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
【０００１】0001
【産業上の利用性】本発明は光散乱性のポリマー組成物
に関し、特に光沢度とフイルムの均一性に優れた白色の
ポリマー組成物及びそれを用いた写真用反射支持体並び
に写真印画紙用支持体に関する。[Industrial Applicability] The present invention relates to a light-scattering polymer composition, and in particular to a white polymer composition with excellent gloss and film uniformity, and a reflective support for photography and photographic paper using the same. Regarding the support.
【０００２】0002
【従来の技術】従来、写真用反射支持体又は写真印画紙
においては、光反射効率を高めるために酸化チタンを混
練分散して含有するポリマー組成物が用いられている（
例えば特開平２−２３５０４５号及び同２４２８４６号
）。上記ポリマー中への酸化チタンの混練分散に際して
は、通常、ポリマーの酸化による劣化を防止するために
密閉系且つ高温で混練が行われるために、酸化チタン中
の酸素が失われてＴｉ２＋がＴｉ３＋となり、酸化チタ
ンの白色度が低下するという欠点があった（特開平２−
２４２８４６号参照）。BACKGROUND OF THE INVENTION Conventionally, polymer compositions containing kneaded and dispersed titanium oxide have been used in photographic reflective supports or photographic paper in order to increase light reflection efficiency.
For example, JP-A-2-235045 and JP-A-2-242846). When kneading and dispersing titanium oxide into the above polymer, the kneading is usually done in a closed system at high temperatures to prevent deterioration due to oxidation of the polymer, so oxygen in the titanium oxide is lost and Ti2+ becomes Ti3+. However, there was a drawback that the whiteness of titanium oxide decreased (Japanese Patent Application Laid-open No.
242846).
【０００３】そこで十分な白色度を得るために酸化チタ
ンの添加量を増大させると、得られたポリマー組成物を
フイルムとした場合の光沢度が低下する上、フイルムの
均一性も悪化するという欠点を生ずる。[0003] If the amount of titanium oxide added is increased in order to obtain sufficient whiteness, the resulting polymer composition, when used as a film, has the drawbacks of lowering the glossiness and deteriorating the uniformity of the film. will occur.
【０００４】本発明者等は上記の欠点を解決すべく鋭意
検討した結果、酸化チタンの代わりにポリマーと親和性
の高い中空ポリマーの微粒子を用いることにより光反射
効率はもとより、光沢度及びフイルムの均一性において
極めて良好な結果を得ることができることを見い出し、
本発明に到達した。[0004] As a result of intensive studies to solve the above-mentioned drawbacks, the present inventors found that by using hollow polymer fine particles with high affinity for polymers instead of titanium oxide, not only light reflection efficiency but also gloss and film quality could be improved. It was discovered that very good results in uniformity could be obtained,
We have arrived at the present invention.
【０００５】[0005]
【発明が解決しようとする課題】従って本発明の第１の
目的は、光反射効率に優れると共に、均一性にも優れた
ポリマー組成物を提供することにある。本発明の第２の
目的は、均一性及び光反射効率に優れた、写真用反射支
持体を提供することにある。更に本発明の第３の目的は
、均一性と光反射効率並びに光沢度に優れた写真印画紙
用支持体を提供することにある。SUMMARY OF THE INVENTION Accordingly, a first object of the present invention is to provide a polymer composition that has excellent light reflection efficiency and uniformity. A second object of the present invention is to provide a photographic reflective support that has excellent uniformity and light reflection efficiency. A third object of the present invention is to provide a support for photographic paper that is excellent in uniformity, light reflection efficiency, and gloss.
【０００６】[0006]
【課題を解決するための手段】本発明の上記の諸目的は
、ポリマー中に平均粒径が０．１〜１．０μｍの中空ポ
リマー粒子を含有せしめてなるポリマー組成物、それを
用いて作成した写真用反射支持体並びに写真印画紙用支
持体によって達成された。[Means for Solving the Problems] The above-mentioned objects of the present invention are to provide a polymer composition containing hollow polymer particles having an average particle size of 0.1 to 1.0 μm in a polymer, and a polymer composition prepared using the same. This was achieved by a reflective support for photography and a support for photographic paper.
【０００７】本発明で使用する中空ポリマー粒子とは、
内部がポリマーによって満たされて居らず中空となって
いるために、光を反射するポリマーの白色粒子である。
上記中空ポリマーは、それを含有するポリマー（以下主
ポリマーとする）との高温における混練中に溶解してそ
の中空を維持することができなくなるものでない限り、
その材質は特に限定されるものではないが、架橋ポリマ
ーからなるものが望ましく、特に、その架橋度の高いも
のが好ましい。このような高架橋型の中空ポリマーとし
ては、例えば日本合成ゴム株式会社製のスチレン−アク
リル樹脂の中空ポリマーを挙げることができる。The hollow polymer particles used in the present invention are:
They are white particles of polymer that reflect light because the interior is not filled with polymer and is hollow. Unless the hollow polymer described above dissolves during kneading with the polymer containing it (hereinafter referred to as the main polymer) at high temperatures and becomes unable to maintain its hollow state,
The material is not particularly limited, but it is preferably made of a crosslinked polymer, and in particular, one with a high degree of crosslinking is preferred. Examples of such highly crosslinked hollow polymers include hollow polymers of styrene-acrylic resin manufactured by Nippon Gosei Rubber Co., Ltd.
【０００８】本発明で使用する中空ポリマーの平均粒径
は０．１〜１．０μｍであることが好ましい。０．１μ
ｍ未満の場合にはポリマー中に均一に分散することが困
難であり、１．０μｍを越えるとフイルムにした場合に
表面粗さを平滑にすることが困難となり、高い光沢度を
得ることができない。The average particle size of the hollow polymer used in the present invention is preferably 0.1 to 1.0 μm. 0.1μ
If it is less than 1.0 μm, it will be difficult to uniformly disperse it in the polymer, and if it exceeds 1.0 μm, it will be difficult to smooth the surface roughness when made into a film, making it impossible to obtain high gloss. .
【０００９】又、中空ポリマーの内孔径は、０．０５〜
０．７μｍとすることが好ましい。内孔径が０．０５μ
ｍ未満の場合には光散乱が十分でなく、高い白色度を得
ることができない。一方、内孔径を０．７μｍ以上とし
た場合には、高温高圧条件下における混練や押し出し成
形時に、中空を維持することが困難となるので好ましく
ない。[0009] Also, the inner pore diameter of the hollow polymer is 0.05~
The thickness is preferably 0.7 μm. Inner hole diameter is 0.05μ
When it is less than m, light scattering is insufficient and high whiteness cannot be obtained. On the other hand, when the inner pore diameter is 0.7 μm or more, it is not preferable because it becomes difficult to maintain the hollow state during kneading or extrusion molding under high temperature and high pressure conditions.
【００１０】本発明において、前記中空ポリマーを分散
せしめる主ポリマーの材質は特に限定されるものではな
いが、本発明の組成物を写真用反射支持体に応用する場
合には、ポリエチレンテレフタレートに代表されるポリ
エステルや、セルローストリアセテートに代表される繊
維素誘導体を使用することが特に好ましい。また、印画
紙の原紙表面に被覆するフイルムとして応用する場合に
は、ポリエチレンやポリプロピレンに代表されるポリオ
レフィンを使用することが好ましい。In the present invention, the material of the main polymer in which the hollow polymer is dispersed is not particularly limited, but when the composition of the present invention is applied to a photographic reflective support, polyethylene terephthalate is a typical material. It is particularly preferable to use polyesters such as these and cellulose derivatives typified by cellulose triacetate. When applied as a film to cover the surface of a base paper of photographic paper, it is preferable to use polyolefins such as polyethylene and polypropylene.
【００１１】又中空ポリマーは無機物と異なり、主ポリ
マーとの親和性が良好であるので、従来の白色無機顔料
の場合より多量に主ポリマー中に含有せしめることがで
きるが、通常その含有率は０．１〜２０重量％とするこ
とが好ましい。含有率が０．１重量％以下の場合には、
フイルムとした場合の白色度が十分でなく、写真用途に
おいて目的とする下地材等の隠蔽効果が不十分となる一
方、２０重量％以上とした場合には、主ポリマーが有す
る独自の物性を維持することが困難となる。[0011] Also, unlike inorganic substances, hollow polymers have good affinity with the main polymer, so they can be contained in the main polymer in larger amounts than conventional white inorganic pigments, but usually their content is 0. It is preferable to set it as .1-20 weight%. If the content is 0.1% by weight or less,
When made into a film, the whiteness is insufficient and the intended hiding effect for the base material etc. in photographic applications is insufficient, but when the content is 20% by weight or more, the unique physical properties of the main polymer are maintained. It becomes difficult to do so.
【００１２】中空ポリマーと主ポリマーの混練は、公知
の如く、主ポリマーの溶融温度で、酸素による酸化劣化
が起こらないように、酸素と接触しない条件で行われる
。酸素と接触しない条件は、通常密閉型とすることによ
って達成されるが、それに限定されるものではない。
この場合、混練前後において中空ポリマーによる白色度
は変化しないので、設計された混合割合とすることによ
って所望の白色度を容易に実現することができる。As is known, the hollow polymer and the main polymer are kneaded at the melting temperature of the main polymer and under conditions where they do not come into contact with oxygen so as to prevent oxidative deterioration due to oxygen. Conditions that do not come into contact with oxygen are usually achieved by using a closed type, but are not limited thereto. In this case, since the whiteness due to the hollow polymer does not change before and after kneading, the desired whiteness can be easily achieved by using a designed mixing ratio.
【００１３】上記の如くして得られたポリマー組成物は
公知の方法によって適宜フイルム状とすることができ、
それをそのまま写真用反射支持体として用いることも、
原紙表面に薄く被覆して写真印画紙用支持体とすること
もできる。The polymer composition obtained as described above can be suitably made into a film by a known method.
You can also use it as it is as a reflective support for photography.
It can also be used as a support for photographic paper by thinly coating the surface of base paper.
【００１４】[0014]
【発明の効果】以上詳述した如く、本発明のポリマー組
成物は親和性の良い中空ポリマーと主ポリマーを混練し
た混合物から成るので中空ポリマーの添加量を大きくし
ても、組成物としての均一性は良好である。従って、本
発明の組成物から得たフイルムの白色度は十分であり、
写真用反射支持体として使用することができる他、印画
紙用支持体を製造した場合には、白色度のみならず光沢
度にも優れた印画紙用支持体となる。Effects of the Invention As detailed above, the polymer composition of the present invention is composed of a mixture of a hollow polymer and a main polymer that have good affinity, so even if the amount of the hollow polymer added is increased, the composition remains uniform. The properties are good. Therefore, the whiteness of the film obtained from the composition of the present invention is sufficient;
In addition to being able to be used as a reflective support for photography, when a support for photographic paper is manufactured, the support for photographic paper has excellent not only whiteness but also gloss.
【００１５】[0015]
【実施例】以下、本発明を実施例に従って更に詳述する
が、本発明はこれによって限定されるものではない。EXAMPLES The present invention will be described in more detail below with reference to Examples, but the present invention is not limited thereto.
【００１６】実施例１．
重合度１００のポリエチレンテレフタレート（ＰＥＴ）
１００部と、平均粒径が０．７μｍで平均内孔径が０．
４μｍのスチレン−アクリル樹脂粒子（日本合成ゴム株
式会社製の高架橋ポリマー粒子）５重量％を、密閉下、
２９５℃で混練した後、フイルム状に押出し、冷却して
３０μｍ厚のＰＥＴフイルムを製造した。得られたフイ
ルムについて、下記方法に従って光沢、表面粗さ、隠蔽
効果及び硬度について評価したところ、全ての評価が良
好であった。Example 1. Polyethylene terephthalate (PET) with a polymerization degree of 100
100 parts, the average particle size is 0.7 μm, and the average inner pore size is 0.7 μm.
5% by weight of 4 μm styrene-acrylic resin particles (highly crosslinked polymer particles manufactured by Japan Synthetic Rubber Co., Ltd.) were added under sealed conditions.
After kneading at 295° C., the mixture was extruded into a film and cooled to produce a 30 μm thick PET film. The resulting film was evaluated for gloss, surface roughness, hiding effect, and hardness according to the following methods, and all evaluations were good.
【００１７】比較例１．
実施例１で用いたスチレン−アクリル樹脂５重量％の代
わりに、平均粒径０．５μｍの酸化チタンを１０重量％
用いた他は、実施例１と全く同様にしてフイルムを製造
し、得られたフイルムの評価を行ったところ、表面粗さ
、隠蔽効果及び硬度については実施例１の場合と同様の
評価が得られたが、光沢において劣るものであった。Comparative Example 1. Instead of 5% by weight of the styrene-acrylic resin used in Example 1, 10% by weight of titanium oxide with an average particle size of 0.5 μm was added.
A film was produced in exactly the same manner as in Example 1 except that the film was used, and the obtained film was evaluated, and the same evaluations as in Example 1 were obtained regarding surface roughness, hiding effect, and hardness. However, the gloss was inferior.
【００１８】比較例２．
実施例１で使用した平均粒径が０．７μｍで平均内孔径
が０．４μｍのスチレン−アクリル樹脂粒子の代わりに
、平均粒径が０．０８μｍ、内孔径は０．０５μｍのも
のを使用した他は実施例１と全く同様にしたところ、表
面粗さ及び硬度においては実施例１と同様に良好であっ
たが、光沢及び隠蔽効果において劣るものであった。Comparative Example 2. Instead of the styrene-acrylic resin particles with an average particle diameter of 0.7 μm and an average inner pore diameter of 0.4 μm used in Example 1, particles with an average particle diameter of 0.08 μm and an inner pore diameter of 0.05 μm were used. The rest was the same as in Example 1, and the surface roughness and hardness were as good as in Example 1, but the gloss and hiding effect were inferior.
【００１９】比較例３．
実施例１で使用した平均粒径が０．７μｍで平均内孔径
が０．４μｍのスチレン−アクリル樹脂粒子の代わりに
、平均粒径が１．２μｍのものを使用した他は実施例１
と全く同様にしたところ、硬度は良好であったが、光沢
、表面粗さ及び隠蔽効果において劣るものであった。Comparative Example 3. Example 1 except that instead of the styrene-acrylic resin particles with an average particle diameter of 0.7 μm and an average inner pore diameter of 0.4 μm used in Example 1, particles with an average particle diameter of 1.2 μm were used.
When the same method as above was used, the hardness was good, but the gloss, surface roughness, and hiding effect were poor.
【００２０】比較例４．
実施例１で使用した平均粒径が０．７μｍで平均内孔径
が０．４μｍのスチレン・アクリル樹脂粒子の代わりに
、平均粒径が０．０４μｍのものを使用した他は実施例
１と全く同様にしたところ、光沢、表面粗さ及び硬度に
おいて実施例１の場合と同様に良好な結果を得たが、隠
蔽効果が不十分であった。Comparative Example 4. The same procedure as in Example 1 was used, except that instead of the styrene/acrylic resin particles with an average particle diameter of 0.7 μm and an average inner pore diameter of 0.4 μm used in Example 1, particles with an average particle diameter of 0.04 μm were used. When the same procedure was carried out, good results were obtained in terms of gloss, surface roughness, and hardness similar to those in Example 1, but the hiding effect was insufficient.
【００２１】比較例５．
実施例１で使用した平均粒径が０．７μｍで平均内孔径
が０．４μｍのスチレン・アクリル樹脂粒子の代わりに
、平均粒径が０．９μｍで平均内孔径が０．８μｍのも
のを使用した他は実施例１と全く同様にしたところ、光
沢、表面粗さ及び硬度において実施例１の場合と同等の
評価を得たが、隠蔽効果において劣ったものであった。Comparative Example 5. Instead of the styrene/acrylic resin particles with an average particle size of 0.7 μm and an average inner pore diameter of 0.4 μm used in Example 1, particles with an average particle size of 0.9 μm and an average inner pore diameter of 0.8 μm were used. Except for the above, the same procedure as in Example 1 was carried out, and although evaluations equivalent to those of Example 1 were obtained in terms of gloss, surface roughness, and hardness, the hiding effect was inferior.
【００２２】比較例６．
実施例１で使用したスチレン・アクリル樹脂の量を、０
．２重量％とした他は実施例１と全く同様にしたところ
、光沢、表面粗さ及び硬度において良好であったが隠蔽
効果が不十分であった。Comparative Example 6. The amount of styrene/acrylic resin used in Example 1 was reduced to 0.
．． When the same procedure as in Example 1 was carried out except that the amount was 2% by weight, the gloss, surface roughness and hardness were good, but the hiding effect was insufficient.
【００２３】比較例７．
実施例１で使用したスチレン・アクリル樹脂の量を２５
重量％とした他は実施例１と全く同様にした他は実施例
１と全く同様にしたところ、光沢及び隠蔽効果は十分で
あったが、表面粗さ及び硬度において劣るものであった
。以上の結果まとめると、表１の如くである。Comparative Example 7. The amount of styrene/acrylic resin used in Example 1 was 25
When the same procedure as in Example 1 was carried out except for the weight percentage, the gloss and hiding effect were sufficient, but the surface roughness and hardness were inferior. The above results are summarized in Table 1.
【表１】[Table 1]
Claims (3)
．０μｍの中空ポリマー粒子を含有せしめてなるポリマ
ー組成物。Claim 1: In the polymer, the average particle size is 0.1 to 1.
．． A polymer composition containing hollow polymer particles of 0 μm.
ポリマー粒子を含有するポリマーフィルムからなる写真
用反射支持体。2. A photographic reflective support comprising a polymer film containing hollow polymer particles having an average particle size of 0.1 to 1.0 μm.
請求項１に記載のポリマー組成物を被覆せしめてなる写
真印画紙用支持体。[Claim 3] At least on the emulsion-coated surface of the base paper,
A support for photographic paper coated with the polymer composition according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9951291A JPH04306647A (en) | 1991-04-03 | 1991-04-03 | White polymer compound, reflection supporting body for photograph using it, and supporting body for photographic paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9951291A JPH04306647A (en) | 1991-04-03 | 1991-04-03 | White polymer compound, reflection supporting body for photograph using it, and supporting body for photographic paper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04306647A true JPH04306647A (en) | 1992-10-29 |
Family
ID=14249310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9951291A Pending JPH04306647A (en) | 1991-04-03 | 1991-04-03 | White polymer compound, reflection supporting body for photograph using it, and supporting body for photographic paper |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04306647A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0675404A1 (en) * | 1994-04-01 | 1995-10-04 | Konica Corporation | Image forming process |
| EP0695778A3 (en) * | 1994-08-03 | 1998-05-13 | Ticona GmbH | Thermoplastic oriented film containing hollow particles, method of manufacture and its use |
-
1991
- 1991-04-03 JP JP9951291A patent/JPH04306647A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0675404A1 (en) * | 1994-04-01 | 1995-10-04 | Konica Corporation | Image forming process |
| EP0695778A3 (en) * | 1994-08-03 | 1998-05-13 | Ticona GmbH | Thermoplastic oriented film containing hollow particles, method of manufacture and its use |
| US5866246A (en) * | 1994-08-03 | 1999-02-02 | Ticona Gmbh | Oriented film composed of thermoplastic polymer with particulate hollow bodies, a process for its production and its use |
| US6124029A (en) * | 1994-08-03 | 2000-09-26 | Ticona Gmbh | Oriented film composed of thermoplastic polymer with particulate hollow bodies, a process for its production and its use |
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