JP3064059B2 - Transparent radiation shielding material and method of manufacturing the same - Google Patents
Transparent radiation shielding material and method of manufacturing the sameInfo
- Publication number
- JP3064059B2 JP3064059B2 JP3259397A JP25939791A JP3064059B2 JP 3064059 B2 JP3064059 B2 JP 3064059B2 JP 3259397 A JP3259397 A JP 3259397A JP 25939791 A JP25939791 A JP 25939791A JP 3064059 B2 JP3064059 B2 JP 3064059B2
- Authority
- JP
- Japan
- Prior art keywords
- gadolinium
- weight
- lead
- salt
- shielding material
- 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.)
- Expired - Fee Related
Links
Landscapes
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、透明放射線遮蔽材
及びその製造方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transparent radiation shielding material and a method for producing the same.
【０００２】[0002]
【従来の技術】合成樹脂に、酸化鉛、ハロゲン化鉛、酢
酸鉛等の鉛化合物を含有せしめて、軽量で加工性、成形
性に富む放射線遮蔽材料が得られることは公知である。
しかし、透明性を有し、硬質の熱可塑性樹脂に、上述の
ような鉛化合物を含有せしめて、実用上満足な放射線遮
蔽能を有する材料は、しばしばその透明性を失い、ま
た、ブリード現象を起こしたり、脆弱になるなど実用上
種々の問題を有する。2. Description of the Related Art It is known that a radiation shielding material which is lightweight and has good workability and moldability can be obtained by incorporating a lead compound such as lead oxide, lead halide, or lead acetate into a synthetic resin.
However , a material having a transparent, hard thermoplastic resin containing a lead compound as described above and having a radiation shielding ability that is practically satisfactory often loses its transparency and has a bleeding phenomenon. It has various practical problems, such as arising and becoming brittle.
【０００３】この問題を解決するために、例えば特開昭
５３−９９９４号公報には、（Ａ）メタクリル酸メチル
またはスチレンのうち少なくとも１種のモノマーを必須
成分として含み、熱変形温度６５℃以上を有し、かつ厚
さ８ｍｍで測定した全光線透過率が７０％以上である重
合体、ポリカーボネート、ポリ塩化ビニルよりなる群か
ら選ばれた熱可塑性重合体３５〜８７重量％及び（Ｂ）
一般式（ＲＣＯＯ）aＰｂ（ただしａは鉛の原子価に等
しい整数、Ｒは炭素数５〜２０の飽和もしくは不飽和の
炭化水素基を表す）で表される有機酸鉛６５〜１３重量
％からなる放射線遮蔽用組成物が開示されている。In order to solve this problem, for example, JP-A-53-9994 discloses that (A) at least one monomer of methyl methacrylate or styrene is contained as an essential component, and a heat distortion temperature of 65 ° C. or higher. 35-87% by weight of a thermoplastic polymer selected from the group consisting of a polymer having a total light transmittance of 70% or more as measured at a thickness of 8 mm, polycarbonate, polyvinyl chloride, and (B)
65 to 13% by weight of organic acid lead represented by the general formula (RCOO) a Pb (where a is an integer equal to the valence of lead, and R represents a saturated or unsaturated hydrocarbon group having 5 to 20 carbon atoms) A radiation shielding composition comprising:
【０００４】しかし、上述の放射線遮蔽用組成物はＸ線
やγ線のような電磁波及びα線、β線のような荷電粒子
に対しては有効な遮蔽能力を示す鉛が配合させているも
のの、熱中性子線に対しては不十分なものである。However, although the above radiation shielding composition contains lead which shows an effective shielding ability against electromagnetic waves such as X-rays and γ-rays and charged particles such as α-rays and β-rays, However, it is insufficient for thermal neutrons.
【０００５】一方、中性子線遮蔽の高分子材料として、
ポリエチレンまたはメタクリル樹脂に硼素化合物を添加
することも知られている。しかし、この方法も中性子線
吸収能は大きいものの、中性子吸収反応に伴い生成する
ヘリウム、リチウムは中性子吸収能がほとんどないた
め、中性子の吸収量の増加に伴ないその能力は減少して
行く傾向をもつと共に、光学的及び機械的性質について
満足すべきところまで至っていない。On the other hand, as a neutron beam shielding polymer material,
It is also known to add boron compounds to polyethylene or methacrylic resins. However, although this method is also neutron absorption ability greater, since helium to produce with the neutron absorption reaction, lithium neutron absorption ability almost no ability of Ban iso to increase the neutron absorption amount decreases tendency And the optical and mechanical properties are not satisfactory.
【０００６】中性子線を吸収する物質として上記の硼素
化合物以外に、原子番号６２、６３及び６４の希土類元
素であるサマリウム、ユーロピウム及びカドリニウムは
熱中性子線の吸収能が硼素よりも更に大きいことが知ら
れている。このような成分が配合された組成物としては
例えば特開昭６０−９９１５０号公報に、可視領域にお
いてメタクリル樹脂を除く透明な熱可塑性樹脂及び／ま
たは熱硬化性樹脂からなる樹脂にガドリニウム、サマリ
ウムまたはユーロピウムの少なくとも１種からなる希土
類元素化合物を均一に分散し溶解してなる樹脂組成物が
開示されている。[0006] As a substance that absorbs neutrons in addition to the above boron compounds, samarium is a rare earth elements of atomic numbers 62, 63 and 64, the absorption capacity of europium and gadolinium are <br/> thermal neutron further than boron It is known to be large. As a composition containing such components, for example, Japanese Patent Application Laid-Open No. 60-99150 discloses gadolinium, samarium or a resin made of a transparent thermoplastic resin and / or a thermosetting resin excluding methacrylic resin in the visible region. There is disclosed a resin composition obtained by uniformly dispersing and dissolving a rare earth element compound composed of at least one kind of europium.
【０００７】[0007]
【発明が解決しようとする課題】しかし、特開昭６０−
９９１５０号公報に開示された樹脂組成物には、ガドリ
ニウム等の希土類元素化合物が全樹脂分に対して希土類
元素として０．００１〜１０重量％の範囲でしか添加配
合されていない。この理由は該公報によると、配合量が
１０重量％を超えると樹脂組成物の機械的性質及び透明
性が損なわれるためとしている。しかし、上記上限量の
希土類元素を添加配合した樹脂組成物でも中性子線吸収
能は充分とは言えず、良好な性能を有する透明放射線遮
蔽材とは言えない。However, Japanese Patent Application Laid-Open No.
A rare earth element compound such as gadolinium is added to the resin composition disclosed in Japanese Patent No. 99150 in a range of 0.001 to 10% by weight as a rare earth element based on the whole resin. According to the gazette, the reason is that if the amount exceeds 10% by weight, the mechanical properties and transparency of the resin composition are impaired. However, neutron ray absorbing performance in a resin composition obtained by adding compounding a rare earth element of the upper limit amount can not be said to be sufficient, it can not be said transparent radiation-shielding material having a good performance.
【０００８】従って、本発明の目的は、透明性を損なう
ことなくより多量割合の希土類元素、特にガドリニウム
を添加、配合することができ、良好な放射線遮蔽性能を
有する透明放射線遮蔽材及びその製造方法を提供するこ
とにある。[0008] Accordingly, an object of the present invention is to provide a transparent radiation shielding material having a good radiation shielding performance, in which a larger proportion of a rare earth element, particularly gadolinium, can be added and compounded without impairing the transparency, and a method for producing the same. Is to provide.
【０００９】また、本発明の他の目的は、透明性を損な
うことなくより多量割合の希土類元素、特にガドリニウ
ムを添加、配合することができ、同時に鉛をも添加、配
合することができ、良好な放射線遮蔽性能を有する透明
放射線遮蔽材及びその製造方法を提供することにある。Another object of the present invention is that a larger amount of a rare earth element, particularly gadolinium, can be added and compounded without impairing transparency, and lead can be added and compounded at the same time. An object of the present invention is to provide a transparent radiation shielding material having excellent radiation shielding performance and a method for producing the same.
【００１０】[0010]
【課題を解決するための手段】本発明に係る透明放射線
遮蔽材は、アクリル酸ガドリニウム、アセチルアセトナ
ートガドリニウム及びプロピオン酸ガドリニウムからな
る群から選択されるガドリニウム塩を１７〜４５重量％
（カドリニウム換算量で１０〜２６．５重量％）、前記
ガドリニウム塩を溶解するためのイミダゾール１０〜３
０重量％、樹脂４０〜６０重量％及び硬化剤５〜２０重
量％よりなることを特徴とする。According to the present invention, there is provided a transparent radiation shielding material comprising gadolinium acrylate, acetylacetonate.
Gadolinium and gadolinium propionate
Gadolinium salt selected from the group consisting of
(10-26.5% by weight in terms of cadolinium) , and imidazole 10-3 for dissolving the gadolinium salt.
It is characterized by comprising 0% by weight, 40-60% by weight of a resin and 5-20% by weight of a curing agent.
【００１１】なお、この透明放射線遮蔽材は、アクリル
酸ガドリニウム、アセチルアセトナートガドリニウム及
びプロピオン酸ガドリニウムからなる群より選択される
ガドリニウム塩を１７〜４５重量％（カドリニウム換算
量で１０〜２６．５重量％）、前記ガドリニウム塩を溶
解するためのイミダゾール１０〜３０重量％で溶解し、
次に、ガドリニウム含有溶液に樹脂４０〜６０重量％及
び硬化剤５〜２０重量％を添加、混合して得た溶液を所
定の形状の型枠にて注型することを特徴として製造する
ことができる。The transparent radiation shielding material is made of acrylic.
Gadolinium acid, gadolinium acetylacetonate and
Gadolinium salt selected from the group consisting of gadolinium and gadolinium propionate in an amount of 17 to 45% by weight (in terms of cadolinium)
10 to 26.5% by weight) , 10 to 30% by weight of imidazole for dissolving the gadolinium salt,
Next, 40 to 60% by weight of a resin and 5 to 20% by weight of a curing agent are added to the gadolinium-containing solution and mixed, and the resulting solution is cast in a mold having a predetermined shape. it can.
【００１２】更に、本発明に係る透明放射線遮蔽材は、
アクリル酸ガドリニウム、アセチルアセトナートガドリ
ニウム及びプロピオン酸ガドリニウムからなる群より選
択されるガドリニウム塩を１７重量％ないし４５重量％
（カドリニウム換算量で１０重量％ないし２６．５重量
％未満）、アリクル酸鉛、オクチル酸鉛及びリノレイン
酸鉛からなる群から選択される鉛塩を２８重量％以下
（鉛換算量で１４重量％以下）、ガドリニウム塩及び鉛
塩の合計量４５重量％以下、前記ガドリニウム塩及び鉛
塩を溶解するためのイミダゾール１０〜３０重量％、樹
脂４０〜６０重量％及び硬化剤５〜２０重量％よりなる
ことを特徴とする。Further, the transparent radiation shielding material according to the present invention comprises:
Gadolinium acrylate, acetylacetonato gadolin
Selected from the group consisting of gallium and gadolinium propionate
17% to 45% by weight of the selected gadolinium salt
(10% to 26.5% by weight of cadmium)
%) , Lead acrylate, lead octylate and linolein
28% by weight or less of a lead salt selected from the group consisting of lead acid
(14% by weight or less in terms of lead) , total amount of gadolinium salt and lead salt of 45 % by weight or less, 10 to 30% by weight of imidazole for dissolving the gadolinium salt and lead salt, 40 to 60% by weight of resin and curing The composition is characterized by comprising 5 to 20% by weight of an agent.
【００１３】なお、この透明放射線遮蔽材は、アクリル
酸ガドリニウム、アセチルアセトナートガドリニウム及
びプロピオン酸ガドリニウムからなる群より選択される
ガドリニウム塩を１７重量％ないし４５重量％未満（カ
ドリニウム換算量で１０ないし２６．５重量％未満）、
アリクル酸鉛、オクチル酸鉛及びリノレイン酸鉛からな
る群から選択される鉛塩を２８重量％以下（鉛換算量で
１４重量％以下）、ガドリニウム塩及び鉛塩の合計量４
５重量％以下、前記ガドリニウム塩及び鉛塩を溶解する
ためのイミダゾール１０〜３０重量％で溶解し、次に、
ガドリニウム及び鉛含有溶液に樹脂４０〜６０重量％及
び硬化剤５〜２０重量％を添加、混合して得た溶液を所
定の形状の型枠にて注型することを特徴として製造する
ことができる。The transparent radiation shielding material is made of acrylic.
Gadolinium acid, gadolinium acetylacetonate and
Gadolinium salt selected from the group consisting of gadolinium and gadolinium propionate in an amount of 17% to less than 45% by weight
10 to less than 26.5% by weight in terms of donium)
Lead acrylate, lead octylate and lead linoleate
That 28% by weight of a lead salt selected from the group below (lead equivalent amount
14% by weight or less) , the total amount of gadolinium salt and lead salt 4
5 % by weight or less, 10 to 30% by weight of imidazole for dissolving the gadolinium salt and lead salt,
A solution obtained by adding and mixing 40 to 60% by weight of a resin and 5 to 20% by weight of a curing agent to a gadolinium and lead-containing solution is cast in a mold having a predetermined shape. .
【００１４】[0014]
【発明の実施の形態】本発明の透明放射線遮蔽材は、中
性子吸収能に優れたガドリニウムを単独で、またはガド
リニウムと鉛を併用して配合するものであり、これらの
成分の塩をイミダゾールに溶解した後に樹脂成分や硬化
剤と混合することにより、これまでは透明性を損なった
り、機械的性質を損なう恐れがあるために添加、配合す
ることができなかった量のガドリニウムや鉛を配合でき
るものである。BEST MODE FOR CARRYING OUT THE INVENTION The transparent radiation shielding material of the present invention comprises a mixture of gadolinium having excellent neutron absorption ability alone or a combination of gadolinium and lead. The salt of these components is dissolved in imidazole. After that, by mixing with a resin component or a curing agent, gadolinium or lead can be added in an amount that could not be added or compounded because there was a risk of impairing transparency or mechanical properties until now It is.
【００１５】本発明の透明放射線遮蔽材に使用するガド
リニウム塩は後述するイミダゾールに溶解するものであ
れば特に限定されるものではないが、例えばアクリル酸
ガドリニウム、アセチルアセトナートガドリニウム、プ
ロピオン酸ガドリニウムのような有機酸を挙げることが
できる。ガドリニウム塩の添加、配合量は１７〜４５重
量％（ガドリニウム換算量で１０〜２６．５重量％）の
範囲内である。ただし、後述の鉛塩を併用する場合に
は、１７重量％ないし４５重量％未満の範囲内である。 The gadolinium salt used in the transparent radiation shielding material of the present invention is not particularly limited as long as it can be dissolved in imidazole, which will be described later. Organic acids. Addition of gadolinium salt, compounding amount is 17-45
It is in the range of the amount% (from 10 to 26.5 wt% gadolinium equivalent amount). However, when using the lead salt described below
Is in the range of 17% to less than 45% by weight.
【００１６】次に、本発明の透明放射線遮蔽材に使用す
る鉛塩は後述するイミダゾールに溶解するものであれば
特に限定されるものではないが、例えばアクリル酸鉛、
オクチル酸鉛、リノレイン酸鉛のような有機塩を挙げる
ことができる。鉛塩の添加、配合量は２８重量％以下
（鉛換算量で１４重量％以下）である。なお、鉛塩とガ
ドリニウム塩を併用する鉛塩とガドリニウム塩の合計量
は４５重量％以下とする必要がある。これは合計量が４
５重量％を超えると、透明放射線遮蔽材の透明性が損な
われることがあるためである。Next, the lead salt used in the transparent radiation shielding material of the present invention is not particularly limited as long as it is soluble in imidazole described later.
Organic salts such as lead octylate and lead linoleate can be mentioned. Addition and blending amount of lead salt is 28% by weight or less
( 14 % by weight or less in terms of lead ) . In addition, the total amount of the lead salt and the gadolinium salt used in combination with the lead salt and the gadolinium salt must be 45 % by weight or less. This is a total of 4
If the content exceeds 5 % by weight, the transparency of the transparent radiation shielding material may be impaired.
【００１７】本発明の特徴は、上記のようなガドリニウ
ム塩またはガドリニウム塩と鉛塩をイミダゾールに一旦
溶解し、樹脂分及び硬化剤と混合するところにある。ガ
ドリニウム塩や鉛塩をイミダゾールに溶解してから、樹
脂分及び硬化剤と混合することにより、得られる透明放
射線遮蔽材の透明性を損なうことなくより多量割合のガ
ドリニウムや鉛を配合することができる。使用可能なイ
ミダゾールとしては、１−ベンゾール−２−フェニルイ
ミダゾール、１−イソブチル−２−メチルイミダゾー
ル、２−エチル−４−メチルイミダゾール、１−ベンジ
ル−２−メチルイミダゾール及びこれらの塩酸塩であ
る。イミダゾールの添加、配合量は通常ガドリニウム塩
や鉛塩の添加、配合量の１／２以上が好ましく、例えば
１０〜３０重量％の範囲内である。A feature of the present invention resides in that the gadolinium salt or the gadolinium salt and the lead salt as described above are once dissolved in imidazole and mixed with a resin component and a curing agent. By dissolving gadolinium salt or lead salt in imidazole, and then mixing it with a resin component and a curing agent, a larger proportion of gadolinium or lead can be blended without impairing the transparency of the obtained transparent radiation shielding material. . Usable imidazoles are 1-benzol-2-phenylimidazole, 1-isobutyl-2-methylimidazole, 2-ethyl-4-methylimidazole, 1-benzyl-2-methylimidazole and their hydrochlorides. The addition and blending amount of imidazole is usually preferably at least の of the addition and blending amount of gadolinium salt or lead salt, for example, in the range of 10 to 30% by weight.
【００１８】本発明の透明放射線遮蔽材に使用する樹脂
は特に限定されるものではないが、例えばメタクリル樹
脂、スチレン樹脂、エポキシ樹脂等の透明樹脂を挙げる
ことができる。樹脂の添加、配合量は４０〜６０重量％
の範囲内である。該添加、配合量が４０重量％未満であ
ると、透明放射線遮蔽材の機械的強度が劣るために好ま
しくない。また、６０重量％を超えると他の成分の添
加、配合量との関係で好ましくない。The resin used for the transparent radiation shielding material of the present invention is not particularly limited, but examples thereof include transparent resins such as methacrylic resin, styrene resin and epoxy resin. 40-60% by weight of resin
Is within the range. The additive, when the amount is less than 40 wt% is not preferable because the mechanical strength of the transparent radiation-shielding material is inferior. On the other hand, if it exceeds 60% by weight, it is not preferable in relation to the addition and the amount of other components.
【００１９】硬化剤は使用する樹脂を硬化する成分であ
り、使用する樹脂に応じて使用すれば良い。硬化剤の添
加、配合量は通常５〜２０重量％の範囲内であり、ま
た、樹脂の使用量の２０重量％以上であることが好まし
い。なお、硬化剤はガドリニウム塩や鉛塩の溶解助剤と
しても作用する。The curing agent is a component that cures the resin used, and may be used according to the resin used. The addition and blending amount of the curing agent is usually in the range of 5 to 20% by weight, and preferably 20% by weight or more of the used amount of the resin. The curing agent also acts as a dissolution aid for gadolinium salts and lead salts.
【００２０】本発明の透明放射線遮蔽材は、上述のガド
リニウム塩またはガドリニウム塩と鉛塩を、イミダゾー
ルで溶解し、次に、ガドリニウム及び鉛含有溶液に樹脂
及び硬化剤を添加、混合して得た溶液を所定の形状の型
枠にて注型することにより製造することができる。The transparent radiation shielding material of the present invention is obtained by dissolving the above gadolinium salt or the gadolinium salt and a lead salt with imidazole, and then adding and mixing a resin and a curing agent to the gadolinium and lead containing solution. It can be manufactured by casting a solution in a mold having a predetermined shape.
【００２１】[0021]
【実施例】 実施例１ アクリル酸ガドリニウム ２２重量％ １−ベンゾール−２−フェニルイミダゾール塩酸塩 ８重量％ （商品名：キュアゾール） １−イミダゾール−２−メチルイミダゾール １６重量％ （商品名：エピキュア） エポキシ樹脂（商品名：エピコート８１５） ４２重量％ ジエチレントリアミン １２重量％ まず、上記割合でアクリル酸ガドリニウムとキュアゾー
ル及びエピキュアとを加熱装置付撹拌機（ワーナー型）
で８０℃で３０分間混合、溶解して黄色透明な溶液を得
た。次に、エピコート８１５とジエチレントリアミンを
加え、室温で良く撹拌混合した後、ガドリニウム含有溶
液を撹拌、溶解し、ガラスの鋳型に流し込み、４０℃で
１５時間加温して固化させて本発明の透明放射線遮蔽材
を得た。得られた透明放射線遮蔽材は良好な透明性を有
し、樹脂に対して約１８重量％のガドリニウム含有量を
もつものであった。EXAMPLE 1 Acrylic acid gas Doriniumu 22 wt% 1-benzol-2-phenyl-imidazole hydrochloride 8 wt% (trade name: Curezole) 1-imidazole-2-methylimidazole 16 wt% (trade name: Epicure) Epoxy resin (trade name: Epikote 815) 42% by weight Diethylenetriamine 12% by weight First, gadolinium acrylate , cureazole and epicure are mixed in the above ratio with a stirrer equipped with a heating device (Warner type).
The mixture was mixed and dissolved at 80 ° C. for 30 minutes to obtain a yellow transparent solution. Next, after adding Epicoat 815 and diethylenetriamine and stirring and mixing well at room temperature, the gadolinium-containing solution is stirred and dissolved, poured into a glass mold, heated at 40 ° C. for 15 hours to solidify, and the transparent radiation of the present invention is obtained. A shielding material was obtained. The resulting transparent radiation shielding material had good transparency and had a gadolinium content of about 18% by weight based on the resin.
【００２２】 実施例２ アクリル酸ガドリニウム １７重量％ アクリル酸鉛 ５重量％ １−ベンゾール−２−フェニルイミダゾール塩酸塩 ６重量％ （商品名：キュアゾール） １−イミダゾール−２−メチルイミダゾール １７重量％ （商品名：エピキュア） エポキシ樹脂（商品名：エピコート８１５） ４３重量％ ジエチレントリアミン １２重量％ まず、上記割合でアクリル酸ガドリニウム及びアクリル
酸鉛とキュアゾール及びエピキュアとを加熱装置付撹拌
機（ワーナー型）で８０℃で３０分間混合、溶解して黄
色透明な溶液を得た。次に、エピコート８１５とジエチ
レントリアミンを加え、室温で良く撹拌混合した後、ガ
ドリニウム含有溶液を撹拌、溶解し、ガラスの鋳型に流
し込み、４０℃で１５時間加温して固化させて本発明の
透明放射線遮蔽材を得た。得られた透明放射線遮蔽材は
良好な透明性を有し、樹脂に対して約１４重量％のガド
リニウム含有量及び約６重量％の鉛含有量をもつもので
あった。Example 2 Gadolinium acrylate 17% by weight Lead acrylate 5% by weight 1-Benzoyl-2-phenylimidazole hydrochloride 6% by weight (trade name: Cureazole) 1-imidazole-2-methylimidazole 17% by weight (product) name: Epicure) epoxy resin (trade name: Epikote 815) 43 wt% diethylenetriamine 12 wt% first, 80 ° C. acrylic acid gadolinium and acrylic and lead Curezol and Epicure above proportions in a heating device equipped with a stirrer (Warner type) For 30 minutes and dissolved to obtain a yellow transparent solution. Next, after adding Epicoat 815 and diethylenetriamine, and stirring and mixing well at room temperature, the gadolinium-containing solution is stirred and dissolved, poured into a glass mold, and heated and solidified at 40 ° C. for 15 hours to obtain the transparent radiation of the present invention. A shielding material was obtained. The resulting transparent radiation shielding material had good transparency and had a gadolinium content of about 14% by weight and a lead content of about 6% by weight with respect to the resin.
【００２３】[0023]
【発明の効果】本発明の透明放射線遮蔽材は、透明性を
損なうことなく、従来は添加、配合できないとされてき
たような多量割合のガドリニウムや鉛を含有するもので
あり、良好な放射線遮蔽能を有するものである。Effects of the Invention transparent radiation-shielding material of the present invention is to provide transparency, are those conventionally added, contains a large amount ratio of gadolinium or lead as was <br/> been incapable formulation And has a good radiation shielding ability.
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) C08L 1/00 - 101/16 C08K 3/00 - 13/08 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. 7 , DB name) C08L 1/00-101/16 C08K 3/00-13/08
Claims (4)
トナートガドリニウム及びプロピオン酸ガドリニウムか
らなる群から選択されるガドリニウム塩を１７〜４５重
量％、前記ガドリニウム塩を溶解するためのイミダゾー
ル１０〜３０重量％、樹脂４０〜６０重量％及び硬化剤
５〜２０重量％よりなることを特徴とする透明放射線遮
蔽材。(1) gadolinium acrylate, acetyl ace
Toner gadolinium and gadolinium propionate?
17 to 45% by weight of a gadolinium salt selected from the group consisting of 10 to 30% by weight of imidazole for dissolving the gadolinium salt, 40 to 60% by weight of a resin, and 5 to 20% by weight of a curing agent. Transparent radiation shielding material.
方法において、アクリル酸ガドリニウム、アセチルアセ
トナートガドリニウム及びプロピオン酸ガドリニウムか
らなる群より選択されるガドリニウム塩を１７〜４５重
量％、前記ガドリニウム塩を溶解するためのイミダゾー
ル１０〜３０重量％で溶解し、次に、ガドリニウム含有
溶液に樹脂４０〜６０重量％及び硬化剤５〜２０重量％
を添加、混合して得た溶液を所定の形状の型枠にて注型
することを特徴とする透明放射線遮蔽材の製造方法。2. Production of the transparent radiation shielding material according to claim 1.
Gadolinium acrylate, acetylacetate
Toner gadolinium and gadolinium propionate?
A gadolinium salt selected from the group consisting of 17 to 45% by weight and 10 to 30% by weight of imidazole for dissolving the gadolinium salt is dissolved in the gadolinium-containing solution. 5-20% by weight
The addition method of transparency radiation shield characterized by casting the obtained mixed solution at a mold having a predetermined shape.
トナートガドリニウム及びプロピオン酸ガドリニウムか
らなる群より選択されるガドリニウム塩を１７重量％な
いし４５重量％未満、アリクル酸鉛、オクチル酸鉛及び
リノレイン酸鉛からなる群から選択される鉛塩を２８重
量％以下、ガドリニウム塩及び鉛塩の合計量４５重量％
以下、前記ガドリニウム塩及び鉛塩を溶解するためのイ
ミダゾール１０〜３０重量％、樹脂４０〜６０重量％及
び硬化剤５〜２０重量％よりなることを特徴とする透明
放射線遮蔽材。3. Gadolinium acrylate, acetylacetate
Toner gadolinium and gadolinium propionate?
17% to less than 45% by weight of a gadolinium salt selected from the group consisting of lead acrylate, lead octylate and
28% by weight or less of a lead salt selected from the group consisting of lead linoleate , and a total amount of gadolinium salt and lead salt of 45 % by weight
A transparent radiation shielding material comprising 10 to 30% by weight of imidazole for dissolving the gadolinium salt and the lead salt, 40 to 60% by weight of a resin, and 5 to 20% by weight of a curing agent.
方法において、アクリル酸ガドリニウム、アセチルアセ
トナートガドリニウム及びプロピオン酸ガドリニウムか
らなる群より選択されるガドリニウム塩を１７重量％な
いし４５重量％未満、アリクル酸鉛、オクチル酸鉛及び
リノレイン酸鉛からなる群から選択される鉛塩を２８重
量％以下、ガドリニウム塩及び鉛塩の合計量４５重量％
以下、前記ガドリニウム塩及び鉛塩を溶解するためのイ
ミダゾール１０〜３０重量％で溶解し、次に、ガドリニ
ウム及び鉛含有溶液に樹脂４０〜６０重量％及び硬化剤
５〜２０重量％を添加、混合して得た溶液を所定の形状
の型枠にて注型することを特徴とする透明放射線遮蔽材
の製造方法。4. Production of the transparent radiation shielding material according to claim 3.
Gadolinium acrylate, acetylacetate
Toner gadolinium and gadolinium propionate?
17% to less than 45% by weight of a gadolinium salt selected from the group consisting of lead acrylate, lead octylate and
28% by weight or less of a lead salt selected from the group consisting of lead linoleate , and a total amount of gadolinium salt and lead salt of 45 % by weight
Hereinafter, the gadolinium salt and the lead salt are dissolved with 10 to 30% by weight of imidazole for dissolving, and then, the gadolinium and lead-containing solution is added with 40 to 60% by weight of a resin and 5 to 20% by weight of a curing agent, and mixed. method of manufacturing a transparency radiation shield you, characterized in that the solution casting the at mold having a predetermined shape obtained by.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3259397A JP3064059B2 (en) | 1991-10-07 | 1991-10-07 | Transparent radiation shielding material and method of manufacturing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3259397A JP3064059B2 (en) | 1991-10-07 | 1991-10-07 | Transparent radiation shielding material and method of manufacturing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0598067A JPH0598067A (en) | 1993-04-20 |
| JP3064059B2 true JP3064059B2 (en) | 2000-07-12 |
Family
ID=17333568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3259397A Expired - Fee Related JP3064059B2 (en) | 1991-10-07 | 1991-10-07 | Transparent radiation shielding material and method of manufacturing the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3064059B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101696316B (en) * | 2009-10-28 | 2011-11-16 | 南京航空航天大学 | Method for preparing radiation protection materials |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016029154A (en) * | 2014-07-18 | 2016-03-03 | 三洋化成工業株式会社 | Polyurethane resin-formable composition for radiation shielding material |
-
1991
- 1991-10-07 JP JP3259397A patent/JP3064059B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101696316B (en) * | 2009-10-28 | 2011-11-16 | 南京航空航天大学 | Method for preparing radiation protection materials |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0598067A (en) | 1993-04-20 |
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