JPH09176496A - Neutron shielding material - Google Patents
Neutron shielding materialInfo
- Publication number
- JPH09176496A JPH09176496A JP35191095A JP35191095A JPH09176496A JP H09176496 A JPH09176496 A JP H09176496A JP 35191095 A JP35191095 A JP 35191095A JP 35191095 A JP35191095 A JP 35191095A JP H09176496 A JPH09176496 A JP H09176496A
- Authority
- JP
- Japan
- Prior art keywords
- neutron
- shielding material
- resin
- neutron shielding
- boron
- 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.)
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Abstract
Description
【０００１】[0001]
【発明が属する技術分野】本発明は、中性子遮蔽材料に
関し、とくに中性子を吸収遮蔽能に優れる耐久性の良好
な機能性塗料および樹脂モルタル組成系として有用な中
性子遮蔽材料に関する。TECHNICAL FIELD The present invention relates to a neutron shielding material, and more particularly to a neutron shielding material useful as a functional coating composition and resin mortar composition system having excellent neutron absorption shielding ability and excellent durability.
【０００２】[0002]
【従来の技術】近年、原子炉、高速増殖炉などの原子力
施設・核融合施設など原子力事業の発展は著しいが、各
施設から発生する中性子線の遮蔽保護は、施設内で作業
する人達にとって安全管理面に不可欠な問題となる。こ
のため、効果的な中性子遮蔽材料の開発は、原子力事業
の展開と共に果たさねばならない重要な課題である。2. Description of the Related Art In recent years, nuclear projects such as nuclear reactors and fast breeder reactors, nuclear facilities and fusion facilities have been developing remarkably, but the shielding and protection of neutron rays generated from each facility is safe for people working inside the facility. It is an essential management issue. Therefore, the development of effective neutron shielding materials is an important issue that must be fulfilled along with the development of nuclear power business.
【０００３】中性子遮蔽材料としては、従来から無機ホ
ウ素化合物が代表的な成分とされており、使用態様とし
てホウ素化合物を含有する中性子遮蔽塗料が知られてい
る。例えば、シリコーンゴムに炭化ホウ素を分散させた
もの（特開昭53−73000 号公報）、合成樹脂バインダー
と無機ホウ素化合物とを特定比で配合したもの（特開昭
60−110768号公報）、シリコーン樹脂に炭化ホウ素およ
び低融点釉薬を特定比で混合したもの（特開平１−1769
98号）などが提案されている。As a neutron shielding material, an inorganic boron compound has hitherto been a representative component, and a neutron shielding coating material containing a boron compound is known as a use mode. For example, one in which boron carbide is dispersed in silicone rubber (Japanese Patent Laid-Open No. 53-73000), one in which a synthetic resin binder and an inorganic boron compound are blended in a specific ratio (Japanese Patent Laid-Open No. Sho 63-73000).
60-110768), a mixture of a silicone resin with boron carbide and a low-melting glaze in a specific ratio (Japanese Patent Laid-Open No. 1-1769).
No. 98) has been proposed.
【０００４】[0004]
【発明が解決しようとする課題】中性子吸収剤となる無
機ホウ素化合物の形態としては、通常、酸化ホウ素また
は炭化ホウ素が用いられている。ところが、塗料組成物
として使用する場合、酸化ホウ素は酸性で水溶性である
ために塗料としての耐久性に難点があり、一方、炭化ホ
ウ素は耐久性能の点においては極めて優れているもの
の、化合物が黒灰色であり、また材料コストも高いこと
から使用態様が自ずから限定される欠点がある。Boron oxide or boron carbide is usually used as the form of the inorganic boron compound serving as the neutron absorber. However, when used as a coating composition, boron oxide has a difficulty in durability as a coating because it is acidic and water-soluble, while boron carbide is extremely excellent in terms of durability performance, but the compound is Since it is blackish gray and the material cost is high, there is a drawback that the usage mode is naturally limited.
【０００５】本発明者らは、上記の実情に鑑み、多様な
含ホウ素物質を対象に中性子吸収能ならびに使用態様の
容易化について鋭意研究したところ、原料コストの安価
な天然ホウ素鉱物を主剤とする中性子吸収能のある無機
微粉末が各種の樹脂結合剤に対して安定的に塗料化およ
びモルタル化できることを確認した。In view of the above situation, the inventors of the present invention have made earnest researches on neutron absorption ability and facilitation of use mode for various boron-containing substances. As a result, natural boron mineral whose raw material cost is low is used as a main ingredient. It was confirmed that the inorganic fine powder with neutron absorbing ability can be stably made into paint and mortar for various resin binders.
【０００６】本発明は、かかる知見に基づいて開発され
たもので、その目的とする課題は、安価で耐久性のある
塗料やモルタルとして容易に使用することができる中性
子遮蔽材料を提供することにある。The present invention has been developed on the basis of such findings, and an object thereof is to provide a neutron shielding material which can be easily used as a cheap and durable paint or mortar. is there.
【０００７】[0007]
【課題を解決するための手段】上記の目的を達成するた
めの請求項１の発明に係る中性子遮蔽材料は、天然ホウ
素鉱物を主剤とする中性子吸収能のある無機微粉末と、
アクリル樹脂、エポキシ樹脂、シリコーン樹脂および含
フッ素系樹脂から選ばれた１種または２種以上の結合剤
とを主組成とすることを構成上の特徴とする。A neutron shielding material according to the invention of claim 1 for achieving the above object is an inorganic fine powder having a neutron absorbing ability, which is mainly composed of a natural boron mineral.
A structural feature is that the main composition is one or more binders selected from acrylic resins, epoxy resins, silicone resins and fluorine-containing resins.
【０００８】請求項２の発明は、上記請求項１の中性子
遮蔽材料からなる塗料組成物であり、また請求項３の発
明は、上記請求項１の中性子遮蔽材料からなる樹脂モル
タル組成物である。The invention of claim 2 is a coating composition comprising the neutron shielding material of claim 1, and the invention of claim 3 is a resin mortar composition comprising the neutron shielding material of claim 1. .
【０００９】[0009]
【発明の実施の形態】本発明の中性子遮蔽材料を構成す
る中性子吸収剤は、天然ホウ素鉱物単独またはこれに併
用される中性子吸収能を有する他の無機微粉末である。
このうち、中性子吸収成分の主剤となる天然ホウ素鉱物
としては、コレマナイト（Ca2B6O11・5H2O）、ウレキサ
イト（NaCaB5O9・8H2O）、チンカル(Na4O7・10H2O ）、
カーナイト(Na2B4O7・4H2O）等が挙げられ、それ自体の
含水物または加熱処理を加えた脱水物であってもよい。
しかし、本発明の目的には特にコレマナイトが好ましく
用いられる。該天然ホウ素鉱物と併用し得る天然ホウ素
鉱物以外の無機微粉末は、酸化ホウ素、ホウ酸バリウ
ム、ホウ酸亜鉛などの含ホウ素化合物のほか、バライト
粉末、硫酸バリウム、炭酸リチウム、ケイ酸リチウム、
ホウ酸リチウム、ホウ珪酸リチウム、アルミン酸リチウ
ムなどである。BEST MODE FOR CARRYING OUT THE INVENTION The neutron absorbing agent constituting the neutron shielding material of the present invention is a natural boron mineral alone or another inorganic fine powder having a neutron absorbing ability which is used in combination therewith.
Among them, natural boron minerals as the main component of the neutron absorbing components, colemanite (Ca 2 B 6 O 11 · 5H 2 O), ulexite (NaCaB 5 O 9 · 8H 2 O), Chinkaru (Na 4 O 7 · 10H 2 O),
Carnite (Na 2 B 4 O 7 · 4H 2 O) and the like can be mentioned, and it may be a hydrous product of itself or a dehydrated product to which heat treatment has been added.
However, colemanite is particularly preferably used for the purpose of the present invention. Inorganic fine powders other than natural boron minerals that can be used in combination with the natural boron mineral include boron oxide, barium borate, and boron-containing compounds such as zinc borate, as well as barite powder, barium sulfate, lithium carbonate, lithium silicate,
Examples thereof include lithium borate, lithium borosilicate, and lithium aluminate.
【００１０】これら原料微粉末の粒度は、塗料組成物と
して適用する場合は１００μm 以下、好ましくは１〜５
０μm の平均粒子径の範囲である。他方、樹脂モルタル
組成物として適用する場合は、このような微粉末ばかり
でなく骨材成分として機能させるため粗粒状（例えば３
号〜６号の珪砂相当粒度）として用いられる。したがっ
て、その粒度範囲は使用態様に応じて多様に変動する。The particle size of these raw material fine powders is 100 μm or less, preferably 1 to 5 when applied as a coating composition.
The average particle size is in the range of 0 μm. On the other hand, when applied as a resin mortar composition, not only such fine powder but also coarse particles (for example, 3
No. 6 to No. 6 silica sand equivalent particle size). Therefore, the particle size range varies variously depending on the usage.
【００１１】必要に応じて天然ホウ素鉱物と併用する他
の無機微粉末の配合量には、特に制約はないが、経済的
理由から天然ホウ素鉱物に対し多くとも１００重量％、
好ましくは０〜５０重量％の範囲に設定する。なお、配
合する無機微粉末の粒度は、天然ホウ素鉱物粉のそれと
同等でよいが、塗料化する場合は天然ホウ素鉱物粉より
微細粉末であることが望ましく、平均粒子径として０．
１〜２０μm 、好ましくは０．５〜１０μm の範囲とす
る。The amount of the other inorganic fine powder to be used in combination with the natural boron mineral, if necessary, is not particularly limited, but for economic reasons, at most 100% by weight based on the natural boron mineral,
It is preferably set in the range of 0 to 50% by weight. The particle size of the inorganic fine powder to be blended may be the same as that of the natural boron mineral powder, but when it is used as a paint, it is preferably a finer powder than the natural boron mineral powder and has an average particle size of 0.
The range is from 1 to 20 μm, preferably from 0.5 to 10 μm.
【００１２】本発明において、天然ホウ素鉱物または他
の無機微粉末との配合物からなる中性子吸収成分の結合
剤としては、アクリル樹脂、エポキシ樹脂、シリコーン
樹脂および含フッ素系樹脂から選ばれた１種または２種
以上が用いられる。このうち、アクリル樹脂は変性また
は未変性のアクリル樹脂またはメタアクリル樹脂であ
り、エポキシ樹脂としては、例えばエポキシ−フェノー
ル樹脂、エポキシ−アミノ樹脂、エポキシ−アルキド−
メラミン樹脂、エポキシ−アルキド樹脂、エポキシエス
テル樹脂、アミン硬化エポキシ樹脂、エポキシ−イソシ
アネート樹脂等が挙げられる。シリコーン樹脂として
は、例えばメチルシリコーン樹脂やメチルフェニルシリ
コーン樹脂などの純シリコーン樹脂類、あるいはアルキ
ド変性シリコーン樹脂、ポリエステル変性シリコーン樹
脂、アクリル変性シリコーン樹脂等の変性シリコーン樹
脂類が挙げられ、また含フッ素系樹脂には溶液型、ディ
スパージョン型、オルガノゾル型または粉体のフッ素樹
脂、各種変性フッ素樹脂が用いられる。In the present invention, the binder for the neutron absorbing component composed of a mixture with natural boron mineral or other inorganic fine powder is one selected from acrylic resin, epoxy resin, silicone resin and fluorine-containing resin. Alternatively, two or more kinds are used. Among them, the acrylic resin is a modified or unmodified acrylic resin or methacrylic resin, and examples of the epoxy resin include epoxy-phenol resin, epoxy-amino resin, epoxy-alkyd-
Examples include melamine resin, epoxy-alkyd resin, epoxy ester resin, amine-cured epoxy resin, epoxy-isocyanate resin and the like. Examples of the silicone resin include pure silicone resins such as methylsilicone resin and methylphenylsilicone resin, or modified silicone resins such as alkyd-modified silicone resin, polyester-modified silicone resin, and acryl-modified silicone resin. As the resin, solution type, dispersion type, organosol type or powdered fluororesin and various modified fluororesins are used.
【００１３】本発明に係る中性子遮蔽材料は、上記の中
性子吸収剤成分および結合剤を主組成とするものである
が、これを塗料組成物または樹脂モルタル組成物とする
にはそれぞれの使用目的に応じた第三成分を添加して調
製する。すなわち、塗料組成物とする場合には、塗料化
および塗料の安定性を向上させるために、例えば界面活
性剤、つや消し剤、タレ防止剤、水またはトルエン、キ
シレン、ベンゼン、アルコール等の有機溶剤、着色顔
料、粘度調整剤、硬化防止剤、紫外線吸収剤など塗料配
合成分として常用される助剤が配合される。また、樹脂
モルタル組成物として調製する場合には、この主組成に
骨材を配合する。該骨材としては、中性子吸収剤として
用いる天然ホウ素鉱物または他の無機化合物を粗砕した
粗粒品が好ましく使用されるが、必要に応じて、例えば
珪砂、炭酸カルシウム、スラグ粉、廃ガラス粉、天然岩
石粉などを適宜に粒度構成したものを用いることもでき
る。The neutron shielding material according to the present invention is mainly composed of the above-mentioned neutron absorbing component and binder, and it is used for each purpose of use as a coating composition or a resin mortar composition. Prepare by adding the appropriate third component. That is, in the case of a coating composition, in order to improve the stability of the coating composition and coating, for example, a surfactant, a matting agent, an anti-sagging agent, water or an organic solvent such as toluene, xylene, benzene, alcohol, Auxiliaries commonly used as paint compounding ingredients such as color pigments, viscosity modifiers, curing inhibitors, and ultraviolet absorbers are added. Moreover, when preparing as a resin mortar composition, an aggregate is added to this main composition. As the aggregate, a coarse grain product obtained by roughly crushing natural boron minerals or other inorganic compounds used as a neutron absorber is preferably used, but if necessary, for example, silica sand, calcium carbonate, slag powder, waste glass powder It is also possible to use natural rock powder or the like having an appropriate particle size configuration.
【００１４】なお、塗料組成物または樹脂モルタル組成
物に占めるコレマナイトなどの天然ホウ素鉱物を主剤と
する無機微粉末の含有量は、ホウ素などの中性子吸収能
のある成分が多いほど合目的的であるから、材料の構成
上、多くの場合Ｂ2 Ｏ3 として組成物中に１〜４０重量
％、好ましくは５〜２５重量％の範囲に設定することが
好適である。The content of the inorganic fine powder containing natural boron mineral such as colemanite as a main component in the coating composition or the resin mortar composition is more appropriate as the amount of neutron absorbing component such as boron increases. Therefore, in many cases, it is preferable to set the content of B 2 O 3 in the composition in the range of 1 to 40% by weight, preferably 5 to 25% by weight in view of the constitution of the material.
【００１５】本発明によれば、中性子吸収剤として選択
した天然含ホウ素鉱物粉は結合剤樹脂に配合した際に予
想外に優れた安定性を示すが、必要に応じて他の無機微
粉末を併用することにより、塗料性能およびモルタル性
能を一層向上させることができ、かつ十分な中性子吸収
機能を発揮する。したがって、中性子遮蔽用の塗料およ
びモルタルの調製が容易にでき、各種の材料に塗布する
ことにより耐久性に優れる中性子遮蔽板を得ることが可
能となる。According to the present invention, the natural boron-containing mineral powder selected as the neutron absorber exhibits unexpectedly excellent stability when blended with the binder resin, but other inorganic fine powders may be added as necessary. When used in combination, the paint performance and mortar performance can be further improved, and a sufficient neutron absorption function is exhibited. Therefore, the neutron shielding paint and mortar can be easily prepared, and the neutron shielding plate having excellent durability can be obtained by applying it to various materials.
【００１６】[0016]
【実施例】以下、本発明を実施例に基づいて具体的に説
明する。しかし、本発明の範囲はこれら実施例に限定さ
れるものではない。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be specifically described below based on embodiments. However, the scope of the present invention is not limited to these examples.
【００１７】実施例１ トルコ産のコレマナイト(B2O3:45.50wt%,CaO:24.60wt%)
を粉砕した平均粒子径５．２μm の微粉末を中性子吸収
剤とし、表１に示す成分および配合比率で混合した。Example 1 Turkish Colemanite (B 2 O 3 : 45.50 wt%, CaO: 24.60 wt%)
Fine powder having an average particle diameter of 5.2 μm crushed was used as a neutron absorber and mixed at the components and blending ratios shown in Table 1.
【００１８】[0018]
【表１】 [Table 1]
【００１９】表１の混合物をホモジナイザーで均一混合
し、エポキシ樹脂をビヒクルとする塗料組成物を調製し
た。この塗料組成物を長さ１５０mm、幅９０mm、厚さ３
mmの鋼板にロール塗装して厚さ１mmの塗膜を形成したと
ころ、塗装鋼板は十分な中性子遮蔽機能を有しており、
長期間に亘り塗膜にクラックや剥離などの現象は認めら
れず耐久性に優れるものであった。The mixture shown in Table 1 was uniformly mixed with a homogenizer to prepare a coating composition containing an epoxy resin as a vehicle. This coating composition has a length of 150 mm, a width of 90 mm and a thickness of 3
When a 1 mm thick coating film was formed by roll coating on a steel sheet of mm, the coated steel sheet has a sufficient neutron shielding function,
The coating film was excellent in durability without the occurrence of cracks or peeling in the coating film over a long period of time.
【００２０】実施例２ 実施例１と同一のコレマナイト粉末に平均粒子径２．５
μm のバライト微粉末を併用して中性子吸収剤とし、表
２に示す成分および配合比率で混合した。Example 2 The same colemanite powder as in Example 1 was added with an average particle size of 2.5.
Barium fine powder of μm was also used as a neutron absorber, and the components and the compounding ratios shown in Table 2 were mixed.
【００２１】[0021]
【表２】 [Table 2]
【００２２】表２の混合物をホモジナイザーで均一混合
し、シリコーン樹脂をビヒクルとする塗料組成物を調製
した。この塗料組成物を実施例１と同様にして鋼板にロ
ール塗装して厚さ１mmの塗膜を形成したところ、塗装鋼
板は十分な中性子遮蔽機能を有しており、かつ長期間に
亘り塗膜にクラックや剥離などの現象は認められなかっ
た。The mixture shown in Table 2 was uniformly mixed with a homogenizer to prepare a coating composition using a silicone resin as a vehicle. When this coating composition was roll-coated on a steel sheet in the same manner as in Example 1 to form a coating film having a thickness of 1 mm, the coated steel sheet had a sufficient neutron shielding function and the coating film was used for a long period of time. No phenomena such as cracks or peeling were observed.
【００２３】実施例３ 実施例１と同一のコレマナイト微粉末を中性子吸収剤と
し、同一のコレマナイト粗粒（粒径： 700μm)およびバ
ライト粗粒（粒径： 500μm)を骨材として表３に示す成
分および配合比率でエポキシ樹脂結合剤と配合した。Example 3 The same colemanite fine powder as in Example 1 was used as a neutron absorber, and the same colemanite coarse particles (particle size: 700 μm) and barite coarse particles (particle size: 500 μm) were used as an aggregate. Ingredients and blending ratios were compounded with an epoxy resin binder.
【００２４】[0024]
【表３】 [Table 3]
【００２５】表３の配合物を、混練機にて均一に混合し
て樹脂モルタル組成物を調製した。この樹脂モルタル組
成物を長さ１５０mm、幅９０mm、厚さ３mmのストレート
板に厚さ７mmの層として圧着したところ、十分な中性子
吸収能を有するモルタル層がストレート板と一体化した
中性子遮蔽板が得られた。The formulations shown in Table 3 were uniformly mixed with a kneader to prepare a resin mortar composition. When this resin mortar composition was pressure-bonded to a straight plate having a length of 150 mm, a width of 90 mm and a thickness of 3 mm as a layer having a thickness of 7 mm, a neutron shielding plate in which a mortar layer having sufficient neutron absorption ability was integrated with the straight plate was obtained. Was obtained.
【００２６】実施例４ 中性子吸収剤および骨材としてコレマナイト粗粒（粒
度： 700μm)、バライト微粉末（平均粒子径：10.5μm)
およびバライト粗粒（粒度： 500μm)を用い、表４に示
す成分および配合比率でエポキシ樹脂結合剤と配合し
た。Example 4 Colemanite coarse particles (particle size: 700 μm) and barite fine powder (average particle size: 10.5 μm) as neutron absorber and aggregate
And barite coarse particles (particle size: 500 μm) were used and blended with the epoxy resin binder in the components and blending ratios shown in Table 4.
【００２７】[0027]
【表４】 [Table 4]
【００２８】表４の配合物を、混練機にて均一に混合し
て樹脂モルタル組成物を調製した。この樹脂モルタル組
成物を実施例３と同様にストレート板に厚さ７mmの層と
して圧着したところ、十分な中性子吸収能を有するモル
タル層がストレート板と一体化した中性子遮蔽板が得ら
れた。A resin mortar composition was prepared by uniformly mixing the formulations shown in Table 4 with a kneader. When this resin mortar composition was pressure-bonded to a straight plate as a layer having a thickness of 7 mm in the same manner as in Example 3, a neutron shielding plate having a mortar layer having a sufficient neutron absorbing ability integrated with the straight plate was obtained.
【００２９】[0029]
【発明の効果】以上のとおり、本発明に従えば中性子吸
収剤として天然ホウ素鉱物を主剤とする無機微粉末を選
択し、これを特定の結合剤と配合した組成とすることに
より高性能の中性子遮蔽材料を提供することができる。
また、この中性子遮蔽材料は塗料組成物および樹脂モル
タル組成物とすることが容易で、安定性に優れているか
ら、塗料およびモルタルとして各種の材料に塗布するこ
とにより安価で耐久性に優れる中性子遮蔽板を得ること
が可能となる。As described above, according to the present invention, high-performance neutrons can be obtained by selecting an inorganic fine powder containing natural boron mineral as a main agent as a neutron absorber and mixing it with a specific binder. A shielding material can be provided.
Further, since this neutron shielding material is easy to be a coating composition and a resin mortar composition and has excellent stability, a neutron shielding material which is inexpensive and has excellent durability by being applied to various materials as a coating material and mortar. It becomes possible to obtain a plate.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｃ０８Ｌ 63/00 ＮＫＸ Ｃ０８Ｌ 63/00 ＮＫＸ 83/04 ＬＲＸ 83/04 ＬＲＸ Ｃ０９Ｄ 5/32 ＰＲＢ Ｃ０９Ｄ 5/32 ＰＲＢ 127/12 ＰＦＨ 127/12 ＰＦＨ 133/06 ＰＧＢ 133/06 ＰＧＢ ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification code Internal reference number FI Technical display location C08L 63/00 NKX C08L 63/00 NKX 83/04 LRX 83/04 LRX C09D 5/32 PRB C09D 5 / 32 PRB 127/12 PFH 127/12 PFH 133/06 PGB 133/06 PGB
Claims (3)
能のある無機微粉末と、アクリル樹脂、エポキシ樹脂、
シリコーン樹脂および含フッ素系樹脂から選ばれた１種
または２種以上の結合剤とを主組成とすることを特徴と
する中性子遮蔽材料。1. An inorganic fine powder having a natural boron mineral as a main component and having a neutron absorbing ability, an acrylic resin, an epoxy resin,
A neutron shielding material having a main composition of one or more binders selected from silicone resins and fluorine-containing resins.
求項１記載の中性子遮蔽材料。2. The neutron shielding material according to claim 1, wherein the neutron shielding material is a coating composition.
である請求項１記載の中性子遮蔽材料。3. The neutron shielding material according to claim 1, wherein the neutron shielding material is a resin mortar composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35191095A JPH09176496A (en) | 1995-12-27 | 1995-12-27 | Neutron shielding material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35191095A JPH09176496A (en) | 1995-12-27 | 1995-12-27 | Neutron shielding material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09176496A true JPH09176496A (en) | 1997-07-08 |
Family
ID=18420456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP35191095A Pending JPH09176496A (en) | 1995-12-27 | 1995-12-27 | Neutron shielding material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09176496A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005076287A1 (en) | 2004-02-04 | 2005-08-18 | Mitsubishi Heavy Industries, Ltd. | Composition for neutron shield material, shield material and container |
| KR100779789B1 (en) * | 2000-04-28 | 2007-11-27 | 도오토 레진 가코 가부시키가이샤 | Epoxy resin composition having high neutron shielding ability, and a transparent shielding materials for neutron obtained by curing said epoxy resin composition |
| JP2012504774A (en) * | 2008-10-06 | 2012-02-23 | グランクリート，インコーポレイテッド | Waste storage container and composition therefor |
| KR101712879B1 (en) | 2016-11-30 | 2017-03-08 | 한국건설기술연구원 | Concrete for shielding neutron for first shield wall of nuclear power plant, and method for manufacturing the same |
| JP2017179108A (en) * | 2016-03-30 | 2017-10-05 | 極東産業株式会社 | Radiation shield coating material, method for producing the same and method for coating the same |
| CN108659469A (en) * | 2018-05-18 | 2018-10-16 | 北京市射线应用研究中心 | The epoxy resin-matrix neutron shielding material and preparation and application that organic siliconresin is modified |
| CN112143229A (en) * | 2019-06-26 | 2020-12-29 | 生态环境部核与辐射安全中心 | Preparation method of boron-containing shielding composite material |
-
1995
- 1995-12-27 JP JP35191095A patent/JPH09176496A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100779789B1 (en) * | 2000-04-28 | 2007-11-27 | 도오토 레진 가코 가부시키가이샤 | Epoxy resin composition having high neutron shielding ability, and a transparent shielding materials for neutron obtained by curing said epoxy resin composition |
| WO2005076287A1 (en) | 2004-02-04 | 2005-08-18 | Mitsubishi Heavy Industries, Ltd. | Composition for neutron shield material, shield material and container |
| JP2012504774A (en) * | 2008-10-06 | 2012-02-23 | グランクリート，インコーポレイテッド | Waste storage container and composition therefor |
| JP2017179108A (en) * | 2016-03-30 | 2017-10-05 | 極東産業株式会社 | Radiation shield coating material, method for producing the same and method for coating the same |
| KR101712879B1 (en) | 2016-11-30 | 2017-03-08 | 한국건설기술연구원 | Concrete for shielding neutron for first shield wall of nuclear power plant, and method for manufacturing the same |
| CN108659469A (en) * | 2018-05-18 | 2018-10-16 | 北京市射线应用研究中心 | The epoxy resin-matrix neutron shielding material and preparation and application that organic siliconresin is modified |
| CN112143229A (en) * | 2019-06-26 | 2020-12-29 | 生态环境部核与辐射安全中心 | Preparation method of boron-containing shielding composite material |
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