Fiber reinforced composite material

Abstract

The present disclosure relates to a fiber reinforced composite material. In an embodiment, the composite material includes a PLLA fiber material and a matrix material that does not have the same chemical element composition as the fiber material. Other fiber reinforced composite materials are also disclosed.

1 - 22 . (canceled) 
     
     
         23 . A fiber reinforced composite material comprising:
 a matrix material;   a glass fiber material; and   a degradation controlling agent.   
     
     
         24 . The composite material of  claim 23 , wherein the matrix material is selected from the group consisting of polymers, copolymers, and polymer blends. 
     
     
         25 . The composite material of  claim 23 , wherein the matrix material is bioabsorbable. 
     
     
         26 . The composite material of  claim 23 , wherein the glass fiber material is bioabsorbable. 
     
     
         27 . The composite material of  claim 23 , wherein the glass fiber material has a tensile strength between about 300 MPa and about 1200 MPa. 
     
     
         28 . The composite material of  claim 23 , wherein the glass fiber material comprises a hydrophobic material. 
     
     
         29 . The composite material of  claim 23 , wherein the composite material comprises the glass fiber material in an amount of about 50% by volume. 
     
     
         30 . The composite material of  claim 23 , wherein the degradation controlling agent is dispersed in the matrix material. 
     
     
         31 . The composite material of  claim 23 , wherein the degradation controlling agent is coated on a surface of the fiber material. 
     
     
         32 . The composite material of  claim 30 , wherein the composite material comprises the degradation controlling agent in an amount of between about 0.1% and about 40% by weight of the matrix material. 
     
     
         33 . The composite material of  claim 23 , wherein the degradation controlling agent comprises a buffer material selected from the group consisting of calcium carbonate, calcium hydrogen carbonates, calcium phosphates, dicalcium phosphates, tricalcium phosphates, magnesium carbonate, and sodium carbonate. 
     
     
         34 . The composite material of  claim 33 , wherein the degradation controlling agent comprises a common salt. 
     
     
         35 . The composite material of  claim 23 , wherein the composite has an initial tensile strength of at least 250 MPa. 
     
     
         36 . The composite material of  claim 35 , wherein the composite retains the initial tensile strength for at least 8 weeks. 
     
     
         37 . The composite material of  claim 23 , wherein the composite has an initial flexural strength of between about 250 MPa and about 400 MPa. 
     
     
         38 . The composite material of  claim 23 , wherein the composite has an initial flexural modulus of between about 20 GPa and about 30 GPa. 
     
     
         39 . The composite material of  claim 23 , wherein the composite retains about 98% of an initial mass for at least 2 weeks. 
     
     
         40 . (canceled) 
     
     
         41 . A fiber reinforced composite material comprising:
 a matrix material; and   a glass fiber material, wherein the glass fiber material has a tensile strength of between about 300 MPa and about 1200 MPa.   
     
     
         42 . (canceled) 
     
     
         43 . The composite material of  claim 23 , wherein the degradation controlling agent is selected from the group consisting of buffer materials, common salts, and combinations thereof. 
     
     
         44 . (canceled)