Cavity-preventing type reactor and a method for fabricating a preform for a plastic optical fiber using the same
AssigneeSamsung Electronics Co., Ltd.
InventorsHan Sol Cho, Jin Taek Hwang, Jin Sung Choi, Sung Hen Cho
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Abstract
A cavity-preventing type reactor and a method for fabricating a preform for a plastic optical fiber using the same, wherein post-process charging of additional monomer or prepolymer into rotationally-induced central cavities is avoided by forming void-free plastic fibers using special geometric flow controllers combined with special materials combinations, pressures, and rotational techniques.
Claims21
A cavity-preventing type reactor, comprising:
- an introduction part having a reactant inlet through which a reactant is introduced into the reactor;
- a reaction part;
- and
- at least one cavity-preventing structure, wherein
- the introduction part and the reaction part are adjacent and separated by a wall having a reactant flow path through which the introduction part is in communication with the reaction part, the introduction part and the reaction part being operable to rotate simultaneously, and
- the at least one cavity-preventing structure being attached to the wall and having at least one reactant flow path and disposed in the flow path of the reactant between the reaction part and the reactant inlet of the introduction part to allow the reactant to flow from the introduction part to the reaction part while preventing a cavity from extending into the reaction part during rotation of the introduction part and the reaction part.
A method for fabricating a preform for a plastic optical fiber using a cavity-preventing type reactor having a reactant introduction part, a reaction part, and at least one cavity-preventing structure interposed therebetween, wherein the introduction part and the reaction part are adjacent and separated by a wall having a reactant flow path through which the introduction part is in communication with the reaction part, and wherein the cavity-preventing structure is attached to the wall and has at least one reactant flow path and is disposed in the flow path of the reactant between the reaction part and the reactant inlet of the introduction part to allow the reactant to flow from the introduction part to the reaction part while preventing a cavity from extending into the reaction part during rotation of the introduction part and the reaction part, comprising:
- filling the reaction part and the introduction part of the reactor with a reactant;
- rotating the introduction part and the reaction part simultaneously;
- and
- polymerizing the reactant in the reaction part under the rotation of the introduction part and the reaction part.
Dependencies are inferred from the claim text.