1. A curable resin composition comprising:
(A) a resin material having a radical polymerizable unsaturated group and an epoxy group, (C) a radical polymerization initiator,
(D) an amine compound andor a mercaptan compound containing one or more of active hydrogen in one molecule, and
(E) a compound which is an adduct in which the amine compound andor a mercaptan compound is reacted with the radical polymerizable unsaturated group of the (A) resin material.
2. The curable resin composition as set forth in claim 1, further comprising (F) a tertiary amine.
3. The curable resin composition as set forth in claim 2, wherein said (F) tertiary amine is a tertiary amine which contains a radical polymerizable unsaturated group in a molecule.
4. The curable resin composition as set forth in claim 1, further comprising (G) a reinforcing fiber.
5. The curable resin composition as set forth in claim 1, wherein said (A) resin material having a radical polymerizable unsaturated group and epoxy group is a resin obtained by vinyl ester group modified eopy resin so that an equivalence ratio between the epoxy group and the radical polymerizable unsaturated group ranges from 0.950.05 to 0.050.95.
6. The curable resin composition as set forth in claim 1, wherein said (A) resin material having a radical polymerizable unsaturated group and epoxy group is a mixture of an epoxy resin and a radical polymerizable resin so that an equivalence ratio between the epoxy group and the radical polymerizable unsaturated group ranges from 0.950.05 to 0.050.95.
7. The curable resin composition as set forth in claim 1, wherein said (C) radical polymerization initiator is a normal temperature radical polymerization initiator consisting of an organic peroxide and a cobalt salt.
8. The curable resin composition as set forth in claim 1, wherein said (C) radical polymerization initiator is a thermal polymerization initiator andor a photo polymerization-initiator.
9. A molded product obtained by curing said curable resin composition as set forth in claim 1.
10. A process for producing a molded product comprising:
mixing (A) a resin material having radical polymerizable unsaturated group and epoxy group with (D) an amine compound andor a mercaptan compound containing one or more of active hydrogen in one molecule and allowing to stand or stirring for not less than 5 minutes,
adding (C) a radical initiator to the resultant mixture to prepare a curable resin composition, and
curing the resultant curable resin composition at a temperature ranging from 25 to 80\xb0 C.
11. The process for producing a molded product as set forth in claim 10, wherein said curable resin composition is poured into a mold in which (G) reinforcing fiber is placed and then the curable resin composition is cured at a temperature ranging from 25 to 80\xb0 C.
12. A process for producing a molded product comprising:
mixing (A) a resin material having radical polymerizable unsaturated group and epoxy group with (D) an amine compound andor a mercaptan compound containing one or more of active hydrogen in one molecule and allowing to stand or stirring for not less than 5 minutes,
adding (C) a radical initiator which contains at least a photo polymerization-initiator to the resultant mixture to prepare a curable resin composition,
irradiating the resultant curable resin composition to react the radical polymerizable unsaturated group to obtain a partially cured product, and
further curing the resultant partially cured product at a temperature ranging from 25 to 80\xb0 C.
13. The process for producing a molded product as set forth in claim 12, wherein said curable resin composition is poured into a mold in which (G) reinforcing fiber is placed,
irradiating the curable resin composition to react the radical polymerizable unsaturated group to obtain a partially cured product,
taking out the partially cured product from the mold, and
further curing the partially cured product at a temperature ranging from 25 to 80\xb0 C.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A multi-part abutment for use with an endosseous dental implant that includes an internal passage with a non-circular bevel at or near the opening of the passage, and internal threads and internal wrench-engaging surfaces in said passage, comprising:
a first part comprising a proximal, prosthesis-engaging portion, connected to and contiguous with a plurality of distal, external longitudinally-projecting, male lobes or sides or points or slots;
said prosthesis-engaging portion and said plurality of male lobes or sides or points or slots being connected by a noncircular bevel that extends entirely or partly around said first abutment part, and is of a size and shape to seat in said noncircular bevel at or near the opening of the internal passage of said implant;
said first abutment part further comprising an internal, longitudinal, through passage including an inwardly-projecting surface; and
a second part comprising a fixation screw having a size and shape to fit into said internal, longitudinal, through passage of said first abutment part, and to engage threads inside said implant, and said inwardly-projecting surface, to hold said abutment in place in said implant.
2. The multi-part abutment of claim 1, wherein said first part includes a cylindrical portion contiguous with and connected to said plurality of male lobes or sides or points or slots.
3. The multi-part abutment of claim 1 or claim 2, wherein said distal plurality of male lobes or sides or points or slots include at least three lobes spaced equidistantly from one another, or is multi-sided, and includes at least three sides spaced from one another, or is a plurality of points or slots and includes at least three points or slots.
4. The multi-part abutment of claim 1, wherein said first part includes multiple external lobes located In alignment with the plurality of male lobes.
5. The multi-part abutment of claim 2 wherein said plurality of male lobes or sides or points or slots are smaller in diameter than said prosthesis-engaging portion and wherein said cylindrical portion has a smaller diameter than said plurality of male lobes or sides or points or slots.
6. The multi-part abutment of claim 1 wherein said second abutment part comprises a distal, threaded shank portion, and a proximal portion that includes a tool-engaging structure to receive a tool for inserting said second abutment part Into said first abutment part.
7. The multi-part abutment of claim 1 wherein said internal projection comprises threads, a flange or both.
8. The multi-part abutment of claim 1 wherein said abutment includes a plurality of male lobes, and said prosthesis-engaging portion includes multiple external prutrusions, each aligned with a lobe of said plurality of male lobes.
9. A multi-part abutment for use with an endosseous dental implant includes an internal passage with a non-circular bevel at or near the opening of the passage, and internal threads and internal wrench-engaging surfaces in said passage, comprising:
a first part comprising a proximal, prosthesis-engaging portion, connected to and contiguous with a plurality of distal, longitudinally-extending, male lobes or sides or points or slots;
said prosthesis-engaging portion and said plurality of distal, longitudinally-extending male lobes or sides or points or slots being connected by a non-circular bevel that extends entirely or partly around said first abutment part, and is of a size and shape to seat in said non-circular bevel at the opening of the internal passage of said implant;
said first abutment part further comprising an internal longitudinal through passage with internal projections or threads or both; and
a second part comprising a fixation screw having a size and shape to fit into said internal longitudinal through passage of said first abutment part, and to engage said internal projections or threads or both inside said implant to hold said abutment in place in said implant.
10. The multi-part abutment of claim 9 wherein said prosthesis-engaging portion includes multiple external protrusions, each aligned with a lobe of said plurality of male lobes.
11. (canceled)
12. (canceled)