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    • 8. 发明授权
    • Superconducting magnet coil and curable resin composition used therein
    • 超导磁体线圈及其中使用的可固化树脂组合物
    • US5384197A
    • 1995-01-24
    • US171780
    • 1993-12-22
    • Toru KoyamaKoo HonjoMasao SuzukiAkio TakahashiAkio MukohKeiji FukushiSeiji Numata
    • Toru KoyamaKoo HonjoMasao SuzukiAkio TakahashiAkio MukohKeiji FukushiSeiji Numata
    • C08G59/18H01B3/30H01B3/40H01F6/00H01F6/06B32B9/00
    • H01F6/06Y10S428/93Y10S505/705Y10S505/813Y10S505/884Y10S505/887Y10T428/31678Y10T428/31681Y10T428/31721Y10T428/31725
    • A superconducting magnet coil contains a coil of superconducting wire and a cured product of a curable resin composition with which the coil has been impregnated, the cured product having a thermal shrinkage factor of 1.5-0.3%, preferably 1.0-0.3%, when cooled from the glass transition temperature to 4.2K, a bend-breaking strain of 2.9-3.9%, preferably 3.2-3.9%, at 4.2K and a modulus of 500-1,000 kg/mm.sup.2 at 4.2K, or undergoing a thermal stress of 0-10 kg/mm.sup.2 when cooled from the glass transition temperature to 4.2K and resisting to quench during superconducting operation. It is produced by winding a superconducting wire to form a coil; impregnating the coil with a curable resin composition of low viscosity which contains for example at least one epoxy resin selected from the group consisting of diglycidyl ether of bisphenol A, diglycidyl ether of bisphenol F and diglycidyl ether of bisphenol AF, all having a number-average molecular weight of 350-1,000, a flexibilizer and a curing catalyst, to obtain a curable-resin composition-impregnated coil; and heating the curable-resin-composition-impregnated coil to cure the composition.
    • 超导磁体线圈包含超导线圈和固化树脂组合物的固化物,线圈已被浸渍,固化产物的热收缩率为1.5-0.3%,优选为1.0-0.3%,优选为1.0-0.3%,当从 玻璃化转变温度为4.2K,4.2K时的断裂应变为2.9-3.9%,优选为3.2-3.9%,4.2K时的弯曲应变为500-1,000 kg / mm2,或者经受0〜 从玻璃化转变温度冷却至4.2K,并在超导操作期间耐猝熄时为10kg / mm2。 通过缠绕超导线形成线圈产生; 用低粘度的可固化树脂组合物浸渍线圈,其包含例如至少一种选自双酚A的二缩水甘油醚,双酚F的二缩水甘油醚和双酚AF的二缩水甘油醚的环氧树脂,其全部具有数均分子量 分子量为350〜1,000,增韧剂和固化催化剂,得到固化树脂组合物浸渍线圈; 并加热固化树脂组合物浸渍的线圈以固化组合物。