PMID- 34361467
OWN - NLM
STAT- PubMed-not-MEDLINE
LR  - 20210809
IS  - 1996-1944 (Print)
IS  - 1996-1944 (Electronic)
IS  - 1996-1944 (Linking)
VI  - 14
IP  - 15
DP  - 2021 Jul 30
TI  - High Mechanic Enhancement of Chopped Carbon Fiber Reinforced-Low-Density 
      Unsaturated Polyester Resin Composite at Low Preparation Temperature with Facile 
      Polymerization.
LID - 10.3390/ma14154273 [doi]
LID - 4273
AB  - Chopped carbon fiber-reinforced low-density unsaturated polyester resin 
      (CCFR-LDUPR) composite materials with light weight and high mechanical properties 
      were prepared at low temperature and under the synergistic action of methyl ethyl 
      ketone peroxide (MEKP-II) and cobalt naphthenate. Optimal preparation conditions 
      were obtained through an orthogonal experiment, which were preparation 
      temperature at 58.0  degrees C, 2.00 parts per hundred of resin (phr) of NH(4)HCO(3), 
      4.00 phr of chopped carbon fibers (CCFs) in a length of 6.0 mm, 1.25 phr of 
      initiator and 0.08 phr of cobalt naphthenate. CCFR-LDUPR composite sample 
      presented its optimal properties for which the density (rho) was 0.58 +/- 0.02 
      g.cm(-3) and the specific compressive strength (P(s)) was 53.56 +/- 0.83 
      MPa.g(-1).cm(3), which is 38.9% higher than that of chopped glass 
      fiber-reinforced low-density unsaturated polyester resin (CGFR-LDUPR) composite 
      materials. Synergistic effects of initiator and accelerator accelerated the 
      specific polymerization of resin in facile preparation at low temperature. Unique 
      "dimples", "plate microstructure" and "surface defect" fabricated the specific 
      microstructure of the matrix of CCFR-LDUPR composite samples, which was different 
      from that of cured unsaturated polyester resin (UPR) with "body defect" or that 
      of CGFR-LDUPR with coexistence of "surface defect" and "body defect".
FAU - Zhang, Jian
AU  - Zhang J
AD  - Department of Composite Materials, College of Materials Science and Engineering, 
      Nanjing Tech University, Nanjing 211800, China.
FAU - Wang, Xiaojun
AU  - Wang X
AUID- ORCID: 0000-0002-6945-3564
AD  - Department of Composite Materials, College of Materials Science and Engineering, 
      Nanjing Tech University, Nanjing 211800, China.
FAU - Fu, Xinjun
AU  - Fu X
AD  - Department of Composite Materials, College of Materials Science and Engineering, 
      Nanjing Tech University, Nanjing 211800, China.
LA  - eng
PT  - Journal Article
DEP - 20210730
PL  - Switzerland
TA  - Materials (Basel)
JT  - Materials (Basel, Switzerland)
JID - 101555929
PMC - PMC8348061
OTO - NOTNLM
OT  - chopped carbon fiber
OT  - facile polymerization
OT  - high mechanic enhancement
OT  - low-density unsaturated polyester resin
OT  - synergistic effect
COIS- The authors declare no conflict of interest.
EDAT- 2021/08/08 06:00
MHDA- 2021/08/08 06:01
PMCR- 2021/07/30
CRDT- 2021/08/07 01:10
PHST- 2021/06/09 00:00 [received]
PHST- 2021/07/17 00:00 [revised]
PHST- 2021/07/23 00:00 [accepted]
PHST- 2021/08/07 01:10 [entrez]
PHST- 2021/08/08 06:00 [pubmed]
PHST- 2021/08/08 06:01 [medline]
PHST- 2021/07/30 00:00 [pmc-release]
AID - ma14154273 [pii]
AID - materials-14-04273 [pii]
AID - 10.3390/ma14154273 [doi]
PST - epublish
SO  - Materials (Basel). 2021 Jul 30;14(15):4273. doi: 10.3390/ma14154273.