201039372 六、發明說明： 【發明所屬之技術領域】 本發明係關於一種用以針對於特定區間具有吸收波長區 域之Μ發劑，以高發光效率作… ^ , 〈生屬鹵素燈，更詳細 3之係關於-種金❹素燈，其使特定波長之紫外線之 發光效率上升而獲得高光量，以加 ” 内3有光引發劍之紫外 線硬化性樹脂組成物之硬化速度。201039372 VI. Description of the Invention: [Technical Field] The present invention relates to a hair styling agent having an absorption wavelength region for a specific interval, with high luminous efficiency... ^, <br>halogen lamp, more detail 3 In the case of a kind of ruthenium lamp, the luminous efficiency of ultraviolet rays of a specific wavelength is increased to obtain a high light amount, and the hardening speed of the ultraviolet curable resin composition of the sword is caused by the light.
【先前技術】 已知日本特表2〇〇7-525540公報中揭示有一種裝置，立 係使用從料、㈣照射之料線，使於特定㈣之吸收波 長區域可硬化之樹脸成物含有光引發劑，而促進組成物 之硬化。 該公報所記載之技術中，作為將紫外線照射於對 350〜380 nm之長波長紫外線具有吸收波長區域之光引發劑 的光源’乃使用鐵系金屬鹵素燈。相同之燈雖於35〇〜38〇 nm之區間具有寬闊之波長區域，但單波長之光量並不高， 有硬化需要時間之問題。 [先前技術文獻] [專利文獻] [專利文獻1]日本特表2007-525540公報 【發明内容】 [發明所欲解決之問題] 本發明之目的在於提供一種金屬鹵素燈，其可使特定波 長之紫外線之發光效率提高而得到高光量，而加速含有光 145812.doc 201039372 引發劑之紫外線硬化性樹脂組成物之硬化速度。 [解決問題之技術手段] 本發明之一態樣之金屬齒素燈，其特徵係對含有至少對 350〜380 nm之長波長紫外線具有吸收波長區域之光引發劑 的务、外線硬化性樹脂組成物照射紫外線，且具備：包含紫 外線透射性之材料之氣密容器；一對包含耐火性金屬且封 裝於氣密容器内之放電電極；及含氬氣、汞及鹵化鉈，且 封入於氣密容器之封入物。 [發明之效果] 根據本發明之金屬鹵素燈，對於對350〜380 nm間具有吸 收波長區域之光引發劑照射時，可比先前之使用鐵系金屬 鹵素燈照射紫外線之情形更加提高發光效率，從而可提高 含有該光引發劑之硬化性樹脂組成物之硬化速度。 【實施方式】 以下，參照附圖詳細說明用以實施本發明之最佳形熊。 圖1係用以說明關於本發明之金屬齒素燈之一實施形熊 之基本構造圖，圖2係放大顯示圖1之一部份之構成圖。 圖1、圖2中，以具有紫外線透射性之石英玻璃製而形成 放電空間10之氣密容器丨丨之長度方向兩端的内部，係隔以 間隔地配置有例如以鎢材形成之電極121、122。電極 121、122分別係經由内引線131、132，而熔接於例如鉬製 金屬箔141、142之一端。金屬箔丨41、142之另一端係與未 圖不之外引線之一端焊接。氣密容器u之金屬箔141、 之一部份係藉由加熱對應於内引線131、132至外引線之— 145812.doc 201039372 端的氣密容器11而被密封。 又，金屬箱141、142若為接近形成氣密容器丨丨之石英玻 璃之熱膨脹率的材料則可為任意者，但作為適於該條件 者，此處使用一般之鉬。[Prior Art] It is known that there is a device disclosed in Japanese Laid-Open Patent Publication No. Hei. No. Hei. 7-525540. A photoinitiator that promotes hardening of the composition. In the technique described in the publication, an iron-based metal halide lamp is used as a light source for irradiating ultraviolet rays to a photoinitiator having an absorption wavelength region for long-wavelength ultraviolet rays of 350 to 380 nm. Although the same lamp has a wide wavelength region in the range of 35 〇 to 38 〇 nm, the amount of light of a single wavelength is not high, and it takes time to harden. [Prior Art Document] [Patent Document 1] [Patent Document 1] Japanese Patent Application Publication No. 2007-525540 SUMMARY OF INVENTION [Problems to be Solved by the Invention] An object of the present invention is to provide a metal halide lamp which can be used at a specific wavelength The luminous efficiency of ultraviolet light is increased to obtain a high light amount, and the curing speed of the ultraviolet curable resin composition containing the light 145812.doc 201039372 initiator is accelerated. [Technical means for solving the problem] A metal dentate lamp according to an aspect of the present invention is characterized in that it comprises a photo-initiator having an absorption wavelength region of at least a long-wavelength ultraviolet light of 350 to 380 nm. The object is irradiated with ultraviolet rays, and comprises: an airtight container containing a material having ultraviolet transmittance; a pair of discharge electrodes containing a refractory metal and encapsulated in an airtight container; and argon gas, mercury, and antimony halide, and sealed in airtight The enclosure of the container. [Effects of the Invention] According to the metal halide lamp of the present invention, when the photoinitiator having an absorption wavelength region between 350 and 380 nm is irradiated, the luminous efficiency can be further improved than when the ultraviolet light is irradiated with the iron-based metal halide lamp. The curing rate of the curable resin composition containing the photoinitiator can be increased. [Embodiment] Hereinafter, the best shape bear for carrying out the invention will be described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a view showing a basic configuration of a bear of a metal dentate lamp of the present invention, and Fig. 2 is an enlarged view showing a part of Fig. 1. In FIG. 1 and FIG. 2, the inside of both ends in the longitudinal direction of the hermetic container 放电 of the discharge space 10 is formed of quartz glass having ultraviolet transmittance, and an electrode 121 formed of, for example, a tungsten material is disposed at intervals. 122. The electrodes 121 and 122 are respectively welded to one ends of the metal foils 141 and 142 made of molybdenum via the inner leads 131 and 132, respectively. The other ends of the metal foil turns 41, 142 are welded to one end of the lead which is not shown. One portion of the metal foil 141 of the airtight container u is sealed by heating the hermetic container 11 corresponding to the end of the inner lead 131, 132 to the outer lead - 145812.doc 201039372. Further, the metal cases 141 and 142 may be any material which is close to the thermal expansion coefficient of the quartz glass forming the airtight container ,. However, as a suitable condition, a general molybdenum is used herein.
〇 一端分別連接於金屬箔141、142之外引線上，於具有耐 熱性且絕緣性之例如陶瓷製插座151、152内部，電性連接 有供電用引線161、162。插座151、152絕緣密封引線 161、1 62。引線1 6 1、1 62連接有未圖示之電源電路。 氣密容器11内，作為封入物，係以丨3 kPa封入用以維持 電弧放電之必要的氬氣，且封入用以使紫外線發光之金屬 之鐵、Hg(汞）等。 如此構成之金屬_素燈，可藉由於紫外線區域具有分光 特性之發光金屬之鐵進行紫外線照射。該紫外線所照射之 紫外線硬化性樹脂組成物係含有藉由照射該紫外線而開始 該樹脂組成物之聚合性樹脂之聚合的光引發劑。 作為光引發劑，可考慮的有（a) 44，_雙（二乙胺基）二苯曱 酮、（b) 4-二乙胺基笨乙酮、（c) ‘二曱胺基苯乙酮、（句苯 偶醯、⑷硫雜蒽酮、（f)二苯甲酮、（g) 4,4,_雙（二甲胺基） 二苯甲酮等。 圖3係用以說明（a)〜(g)之各光引發劑相對發光波長之各 個吸收率之s兒明圖。此處，⑷〜(g)之光引發劑中，使用至 少在350〜380 nm之波長區域中對於發光波長之吸收率較高 的光引發劑（a)、（g)e 以下，說明在以氣密容器u之外徑小為巧^ mm、壁厚瓜 145812.doc 201039372 為1.5 mm、發光長度L為1000 mm之單層管而構成之燈 中，封入發光金屬係使用鐵之燈、與將蛇作為發光金屬而 封入之本發明之實施例進行比較，生成用以加快至少對 350〜380 nm之長波長紫外線具有吸收波長區域之光引發劑 之聚合之促進速度的紫外線之本發明之實施例。 再者，作為以下各實施例中之光引發劑，進行與對⑷ 4,4’-雙（二乙胺基）二苯甲酮照射鐵系金屬_素燈之紫外線 之先前情形的比較。 (實施例1)實施例1中，製作成鉈系金屬_素燈其係 於氣密容器11内作為封入物而封入為維持電弧放電之必要 之1.3 kPa氬氣、汞、及用以使紫外線發光之金屬之鉈的碘 化物而成。 針對發自該鉈類金屬鹵素燈之紫外線，與封有鐵作為使 兔外線發光之金屬之鐵系金屬齒素燈所發出的紫外線對 硬化性樹脂組成物所含之光引發劑之4 4，_雙（二乙胺基）二 苯甲酮之效果進行說明。 此處，考慮針對鉈類金屬鹵素燈與鐵系金屬_素燈分別 以相同等級之12000 w之輸入電力、11〇〇 v之燈電壓、及 10.9 A之燈電流照射紫外線的情形。圖4係顯示本發明之鉈 系金屬鹵素燈與鐵系金屬鹵素燈之各自分光譜分佈與光 量。如圖4明顯所見’用以使樹脂組成物中所含之光引發 劑硬化之必要之3 50〜3 80 nm之長波長紫外線，以蛇類金屬 鹵素燈較優。 圖5係僅放大顯示相對圖之光引發劑4,4，_雙（二乙 145812.doc 201039372 胺基）二苯甲酮之發光波長之吸收率。 在使金屬鹵素燈之發光光譜曲線為α(λ)、光引發劑之吸 收光谱曲線為Φ(λ)之情形下，使用燈與光引發劑之反應係 以下式表示。另’如圖5所示，a表示發光光譜之較低波 長，b表示發光光譜之較高波長。 [數1] £ α(顧 >1) = Σ α(柳 U) 〇 3 此處，使發光光譜之波長&為350 nm、波長bg380 nm 時，比較利用鉈系金屬鹵素燈與鐵系金屬鹵素燈之光引發 劑之引發效果比率後，得出圖6所示之結果。 即，設鐵系金屬鹵素燈為1〇〇%時，鉈系金屬鹵素燈為 112/。此係表示，在對含有光引發劑4,4'-雙（二乙胺基）二 苯甲酮之硬化性樹脂組成物照射鉈系金屬_素燈之紫外線 時，硬化速度上升12%。 〇 該實施形態中’若將鉈系金屬齒素燈之紫外線照射於在 350〜· nm間具有吸收波長區域之光引發劑，則可比對該 光引發劑照射鐵系金屬由素燈之先前紫外線之情形更加提 . 冑發光效率，從而可提高硬化性樹脂組成物之硬化速度。 • f施例1中，以封入碘化鉈之燈為例進行了說明，但不限 於蛾化物，以其他齒化物封入亦可得到相同效果。即，亦 可將在電孤放電中容易使銘於氣密容器内蒸發之化合物封 入0 (實施例2)其次，參照圖7、圖8，說明本發明之實施例 145812.doc 201039372 2。圖7、圖8係顯示於發光長為1〇〇〇 mm時之燈中使各碘 化鉈封入量不同之情形時，針對將金屬鹵素燈之軸向作爲 左右之分光與照度之關係所測定的結果。圖7係顯示碘化 鉈封入量為0.040 mg/cc之情形，圖8係顯示碘化鉈封入量 為0.036 mg/cc之情形。 圖7之碘化鉈封入量為〇 〇4〇 mg/cc時照射紫外線之情形 中，會於軸向產生分離發光而導致左右之分光分佈不同， 可能對被照射物造成不良影響。該分離發光所致之問題於 發光長為200 mm以上之燈中尤爲顯著。 左右之分光分佈之不同，相信係由於碘化鉈之飽和蒸汽 壓之關係而使魏銘於燈泡左右不同，因而使該左右峨化 釔里之差異作為分光分佈之差異而顯現。 圖8之碟化蛇封入量為〇 〇36 mg/cc時照射紫外線之情形 中，於轴向觀察不到分離發光之產生，而是左右分光為相 同之刀佈’獲知相對被照射物較高的均齊度。因此，藉由 於左右獲得高均齊度，可提高硬化性樹脂組成物之硬‘速 度。 圖9係針對使用鐵金屬南素燈與實施形態之m屬鹵 主，立對光引發劑4,4，-雙（二[胺基）二苯甲綱照射紫外線 ，各更化捋間之比，進行說明之說明圖。 2即，當碘化鉈封入量為0.01 mg/cc以上時，利用實施形 =走屬i素燈之硬化時間’相對利用鐵系金屬_素燈之 :化時間，為1〇1%以上。當衝量為〇〇〇6 一以下 、 用實％形態之金屬自素燈之硬化時間係短於利用鐵 145812.doc 201039372 系金屬i素燈之硬化時間。惟，#魏㈣為gg4瓜心 以上時，雖增進硬化時間，但如前所述會產生發光分離從 而有硬化時間快或慢之問題。 . 因此獲知，當對於光引發劍认雙（二乙胺基）二苯甲綱 照射紫外線之鉈系金屬齒素燈之碘化鉈之封入量為 0.01〜〇遍吨心時，與使用鐵系金屬幽素燈之情形相比 可獲得有利的結果。 Ο $ ®10係針對使用鐵系金屬鹵素燈與實施形態之銘類 金屬齒素燈，對光引發劑4,4匕雙（二尹胺基）二苯〒剩照射 紫外線時之各硬化時間之比，進行說明之說明圖。 該情形下，當蛾化館封入量為0.006 mg/cc以上時，利用 實施形態之金屬函素燈之硬化時間，相對利用鐵系金屬齒 素燈之硬化時間，為101%以±。當峨化銘量為〇〇〇2 mg/cc以下時’利用實施形態之金屬齒素燈之硬化時間係 短於利用鐵系金屬鹵素燈之硬化時間。惟，當填化乾量為 © 〇.〇4 mg/cc以上時’雖增進硬化時間，但會產生發光分離 從而有硬化時間快或慢之問題。 因此獲知，當對於光引發劑4,4，_雙（二甲胺基）二笨甲酮 •照射紫外線之鉈系金屬鹵素燈之碘化鉈之封入量為 • 〇·〇〇6〜0.036 mg/cc時’與使用鐵系金屬鹵素燈之情形相比 可獲得有利的結果。 由此可知，碘化鉈封入量無論過多或過少皆無法提高對 350〜380 nm之長波長紫外線吸收率高之硬化性樹脂組成物 之硬化速度。 145812.doc 201039372 因此獲知，作為成為提高於350〜380 nm具有高吸收率之 硬化性樹脂組成物之硬化速度之條件的碘化鉈封入量 X(mg/cc)，在4,4’-雙（二乙胺基）二苯曱酮為光引發劑之情 形下’係在0.01〜0.036之範圍内。又獲知，在4,4'-雙（二曱 胺基）二苯甲酮為光引發劑之情形下，係在〇 〇〇6〜〇 〇36之 範圍内。 根據本實施形態，可提高含有於35〇〜38〇 nrn之長波長紫 外線具有尚吸收波長區域之光引發劑之紫外線硬化性樹脂 組成物之硬化速度。 【圖式簡單說明】 圖1係用以說明關於本發明之金屬_素燈之一實施形態 之基本構造圖。 圖2係放大顯示圖1之一部份之構成圖。 圖3係用以§兑明相對不同光引發劑之發光波長之各吸收 率之說明圖。 圖4係用以說明本發明之實施例1與先前之光譜分佈與光 量之說明圖。 圖5係放大顯示圖3(a)之說明圖。 圖6係用以說明本發明之實施例1與先前之光引發劑之效 果之說明圖。 圖7係用以§兄明峨化銘封入置為〇. 〇 4 〇 m g / c c時將銘系金 屬鹵素燈軸向作爲左右之分光與照度之關係的說明圖。 圖8係用以說明碘化鉈封入量為0.036 mg/cc時將鉈系金 屬iii素燈轴向作爲左右之分光s普與照度之關係的說明圖。 145812.doc -10- 201039372 圖9係用以說明碘化鉈封入量與光引發劑4,4,_雙（二乙胺 基）二苯曱酮之硬化比率之良否的說明圖。 < 圖10係用以說明碘化鉈封入量與光引發劑4,4，-雙（二甲 ‘ 胺基）二苯甲酮之硬化比率之良否的說明圖。 * 【主要元件符號說明】 10 放電空間 11 氣密容器 121 、 122 電極 131 、 132 内引線 141 、 142 金屬箔 151 、 152 插座 161 、 162 引線 〇 145812.doc -11 ·Further, one end is connected to the lead wires other than the metal foils 141 and 142, and the power supply leads 161 and 162 are electrically connected to the inside of the ceramic sockets 151 and 152 which are heat-resistant and insulating. The sockets 151, 152 insulate the sealed leads 161, 1 62. A lead circuit 161 is connected to a power supply circuit (not shown). In the airtight container 11, as an enclosure, argon gas necessary for maintaining an arc discharge is sealed at 丨3 kPa, and iron, Hg (mercury) or the like of a metal for emitting ultraviolet rays is sealed. The metal-based lamp thus constituted can be irradiated with ultraviolet rays by iron of a luminescent metal having a spectral characteristic in an ultraviolet region. The ultraviolet curable resin composition irradiated with the ultraviolet ray contains a photoinitiator which starts polymerization of the polymerizable resin of the resin composition by irradiation with the ultraviolet ray. As the photoinitiator, (a) 44, bis(diethylamino)benzophenone, (b) 4-diethylamino acetophenone, (c) 'diamylamino phenyl b, Ketone, (indolyl), (4) thioxanthone, (f) benzophenone, (g) 4,4, bis(dimethylamino)benzophenone, etc. Figure 3 is for illustration ( a) ~ (g) of each of the photoinitiators relative to the emission wavelength of the respective absorption rate. Here, (4) ~ (g) of the photoinitiator, using at least in the wavelength range of 350 ~ 380 nm for The photoinitiators (a) and (g)e having a high absorption ratio of the emission wavelength are described below. The outer diameter of the airtight container u is small, the wall thickness is 145812.doc 201039372, and the length is 1.5 mm. In a lamp composed of a 1000 mm single-layer tube, the enclosed luminescent metal is compared with an embodiment of the present invention in which a snake is enclosed as a luminescent metal, and is generated to accelerate at least 350 to 380 nm. The long-wavelength ultraviolet ray has an embodiment of the present invention which absorbs ultraviolet light at a rate of polymerization of a photoinitiator in a wavelength region. Further, it is caused by light in the following embodiments. A comparison with the previous case of (4) 4,4'-bis(diethylamino)benzophenone irradiation of ultraviolet light of an iron-based metal lamp was carried out. (Example 1) In Example 1, a lanthanide system was prepared. The metal-based lamp is enclosed in an airtight container 11 as an enclosure to enclose an iodide of 1.3 kPa of argon gas, mercury, and a metal for emitting ultraviolet light, which is necessary for maintaining the arc discharge. The ultraviolet light emitted from the bismuth metal halide lamp and the ultraviolet ray emitted from the iron metal dentate lamp which is sealed with iron as a metal for illuminating the outer line of the rabbit, and the photoinitiator contained in the curable resin composition. The effect of diethylamino)benzophenone is described. Here, it is considered that the input voltage of the same grade of 12000 w and the lamp voltage of 11 〇〇v for the bismuth metal halide lamp and the ferrous metal lamp are respectively And the case where the lamp current of 10.9 A is irradiated with ultraviolet rays. Fig. 4 shows the respective spectral distributions and amounts of light of the lanthanide metal halide lamp and the iron-based metal halide lamp of the present invention. As is apparent from Fig. 4, 'for the resin composition Necessary to harden the photoinitiator contained 3 50~3 80 nm long-wavelength ultraviolet light, superior to snake metal halide lamps. Figure 5 is only a magnified display of the photoinitiator 4,4,_ double (diethyl 145812.doc 201039372 amino) diphenyl The absorption rate of the ketone light emission wavelength. When the luminescence spectrum curve of the metal halide lamp is α(λ) and the absorption spectrum curve of the photoinitiator is Φ(λ), the reaction between the lamp and the photoinitiator is used. As shown in Fig. 5, a represents the lower wavelength of the luminescence spectrum, and b represents the higher wavelength of the luminescence spectrum. [Number 1] £ α (顾 > 1) = Σ α (柳U) 〇 3 Here, when the wavelength of the luminescence spectrum is < 350 nm and the wavelength is bg380 nm, the ratio of the effect of the photoinitiator of the lanthanide metal halide lamp and the iron-based metal halide lamp is compared, and the result shown in Fig. 6 is obtained. . That is, when the iron-based metal halide lamp is 1% by weight, the lanthanum metal halide lamp is 112/. This shows that when the curable resin composition containing the photoinitiator 4,4'-bis(diethylamino)benzophenone is irradiated with ultraviolet rays of a lanthanoid metal lamp, the curing rate is increased by 12%. In the embodiment, if the ultraviolet ray of the lanthanide metal gutta lamp is irradiated to the photoinitiator having an absorption wavelength region between 350 nm and nm, the photoinitiator may be irradiated with the ultraviolet ray of the urethane lamp. In the case of the luminescence efficiency, the hardening speed of the curable resin composition can be increased. • In Example 1, the lamp containing cesium iodide was used as an example. However, it is not limited to moth compounds, and the same effect can be obtained by sealing with other tooth compounds. Namely, it is also possible to easily enclose a compound which is evaporated in an airtight container in the electric cell discharge (Example 2). Next, an embodiment of the present invention 145812.doc 201039372 2 will be described with reference to Figs. Fig. 7 and Fig. 8 show the relationship between the splitting of the metal halide lamp and the illuminance of the metal halide lamp when the amount of each cesium iodide is different in the lamp having a light emission length of 1 〇〇〇 mm. the result of. Fig. 7 shows the case where the encapsulation amount of cesium iodide is 0.040 mg/cc, and Fig. 8 shows the case where the encapsulation amount of cesium iodide is 0.036 mg/cc. In the case where the amount of cesium iodide enclosed in Fig. 7 is 〇 4 〇 mg/cc, ultraviolet light is emitted in the axial direction, and the split light distribution is caused to be different, which may adversely affect the object to be irradiated. The problem caused by the separation luminescence is particularly remarkable in lamps having a light emission length of 200 mm or more. The difference in the distribution of the light distribution between the left and right is believed to be due to the difference in the saturated vapor pressure of cesium iodide, which causes Wei Ming to differ from the bulb, so that the difference between the left and right sputum is revealed as the difference in the spectral distribution. In the case where the amount of the dished snake is 〇〇36 mg/cc, the ultraviolet ray is not observed in the axial direction, but the left and right splitting is the same knives. Uniformity of the uniformity. Therefore, by obtaining a high uniformity on the left and right, the hard 'speed of the curable resin composition can be improved. Figure 9 is a comparison between the use of an iron metal lamp and the m-halogen of the embodiment, and the photoinitiator 4,4,-bis (di[amino])benza is irradiated with ultraviolet rays. , an explanatory diagram for explanation. 2, when the encapsulation amount of cesium iodide is 0.01 mg/cc or more, the curing time by the implementation of the shape of the bismuth i lamp is relatively 1% or more with respect to the utilization time of the iron-based metal lamp. When the impulse is 〇〇〇6 or less, the hardening time of the metal-based lamp with the real % form is shorter than the hardening time of the metal illuminator with the iron 145812.doc 201039372. However, when #魏(四) is above gg4, although the hardening time is increased, as mentioned above, there is a problem that the luminescent separation is fast or slow. Therefore, it is known that when the amount of cesium iodide contained in the bismuth metal dentate lamp irradiated with ultraviolet light by the light-induced bismuth (diethylamino) benzophenone is 0.01 to 〇 ton, and the use of iron Advantageous results can be obtained compared to the case of metal pygmy lamps. Ο $®10 is used for the hardening time of the photoinitiator 4,4 bis (di-amino-amino)diphenyl fluorene when the ultraviolet ray is irradiated with an iron-based metal halide lamp and an embodiment of the genus metal-tooth lamp. For comparison, explain the explanation. In this case, when the encapsulation amount of the moth hall is 0.006 mg/cc or more, the hardening time of the metal element lamp using the embodiment is 101% ± with respect to the hardening time of the iron-based metal tooth lamp. When the amount of sputum is 〇〇〇2 mg/cc or less, the hardening time of the metal dentate lamp using the embodiment is shorter than the hardening time by the ferrous metal halide lamp. However, when the dry amount of the filling is © 〇.〇4 mg/cc or more, the curing time is increased, but the luminescence separation occurs, so that the hardening time is fast or slow. Therefore, it is known that when the photoinitiator 4,4,_bis(dimethylamino)dibenzophenone is irradiated with ultraviolet rays, the amount of cesium iodide is •·〇〇6~0.036 mg. When /cc is used, advantageous results can be obtained as compared with the case of using an iron-based metal halide lamp. From this, it is understood that the hardening rate of the curable resin composition having a high ultraviolet absorption rate at a long wavelength of 350 to 380 nm cannot be increased irrespective of the amount of cesium iodide enclosed. 145812.doc 201039372 Therefore, as a condition for increasing the curing rate of a curable resin composition having a high absorption rate at 350 to 380 nm, the amount of xenon iodide sealed (X/cc) is 4, 4'-double. In the case where (diethylamino)benzophenone is a photoinitiator, it is in the range of 0.01 to 0.036. It is also known that in the case where 4,4'-bis(diguanidino)benzophenone is a photoinitiator, it is in the range of 〇6 to 〇36. According to the present embodiment, the curing rate of the ultraviolet curable resin composition containing the photoinitiator in the wavelength region of the long wavelength ultraviolet rays of 35 Å to 38 Å nrn can be increased. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a view showing a basic configuration of an embodiment of a metal-based lamp of the present invention. Fig. 2 is a block diagram showing a part of Fig. 1 in an enlarged manner. Figure 3 is an illustration of the respective absorbances for illuminating wavelengths of relatively different photoinitiators. Fig. 4 is a view for explaining the first embodiment of the present invention and the previous spectral distribution and amount of light. Fig. 5 is an enlarged view showing the diagram of Fig. 3(a). Fig. 6 is an explanatory view for explaining the effects of Example 1 of the present invention and the prior photoinitiator. Figure 7 is an explanatory diagram showing the relationship between the axial direction of the light metal and the illuminance of the metal-based halogen lamp in the § 4 〇 m g / c c. Fig. 8 is an explanatory view for explaining the relationship between the axial direction of the lanthanide metal iii lamp and the illuminance of the illuminance when the amount of cesium iodide is 0.036 mg/cc. 145812.doc -10- 201039372 Fig. 9 is an explanatory diagram for explaining whether the amount of cesium iodide is encapsulated and the hardening ratio of the photoinitiator 4,4,_bis(diethylamino)benzophenone. < Fig. 10 is an explanatory view for explaining whether or not the amount of cerium iodide is fixed to the curing ratio of the photoinitiator 4,4,-bis(dimethyl 'amino)benzophenone. * [Main component symbol description] 10 Discharge space 11 Hermetic container 121, 122 Electrode 131, 132 Inner lead 141, 142 Metal foil 151, 152 socket 161, 162 lead 〇 145812.doc -11 ·