Composite material and resin mold

A composite material used for a portion coming into contact with fluid resin, comprising:

• a substrate containing a first material consisting of an inorganic material and having excellent wear resistance against said fluid resin;
• a plurality of pores each provided to form an opening on a surface of said substrate opposing said fluid resin;
• and
• a film, formed along the inner wall surface of each of said plurality of pores at least around said opening without obstructing said each of said plurality of pores, containing a second material consisting of an organic material and having excellent unwettability against said fluid resin,
• wherein, said first material and said second material are hybridized with each other, such that said inorganic material and said organic material are fused with each other over an entire portion of said film at a molecular level.

A resin mold, having a cavity charged with fluid resin, used for manufacturing a molding containing hardened resin obtained by hardening said fluid resin and prepared from a composite material, wherein

• said composite material comprises:
• a first material consisting of an inorganic material and having excellent wear resistance against said fluid resin;
• and
• a second material consisting of an organic material and having excellent unwettability against said fluid resin, and
• said first material and said second material are hybridized with each other, such that said inorganic material and said organic material are fused with each other over an entire portion of said composite material at a molecular level.

A resin mold, having a cavity charged with fluid resin, used for manufacturing a molding containing hardened resin obtained by hardening said fluid resin and prepared from a composite material, comprising:

• a substrate containing a first material consisting of an inorganic material and having excellent wear resistance against said fluid resin;
• a plurality of pores each provided to form an opening on a surface of said substrate opposing said fluid resin;
• and
• a film, formed along the inner wall surface of each of said plurality of pores at least around said opening without obstructing said each of said plurality of pores, containing a second material consisting of an organic material and having excellent unwettability against said fluid resin,
• wherein, said first material and said second material are hybridized with each other, such that said inorganic material and said organic material are fused with each other over an entire portion of said film at a molecular level.