chAa_polymer.chem:
.br
.cstart

# Example file for `chem':

# This originates from Computing Science Technical Report No. 122
#   CHEM - A Program for Typesetting Chemical Diagrams: User Manual
#   by Jon L. Bentley, Lynn W. Jelinski, Brian W. Kernighan
#   <http://cm.bell-labs.com/cm/cs/cstr/122.ps.gz>.

# Copyright (C) 2006, 2009 Free Software Foundation, Inc.

# Last update: 5 Jan 2009

# This file is part of `chem', which is part of `groff'.

# `groff' is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

# `groff' is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.

########################################################################

# epoxy based on the m-phenyldiamine cured bisphenol-A
     size 8
     bond dotted
     bond ; N
     bond ; CH2
     bond down from N
R1:  benzene
     bond 120 length .1 from R1.V3 ; N
     bond right length .1 from N
     bond down length .1 from N
# back to the CH2
     bond right from CH2 ; CH
     bond down from CH ; OH
     bond right from CH ; CH2
     bond right ; O
     bond right
     benzene pointing right
     bond right ; C
     bond up from C ; CH3
     bond down from C ; CH3
     bond right from C
     benzene pointing right
     bond right ; O
     bond right from O ; CH2
     bond right ; CH
     bond down from CH ; OH
     bond right from CH ; CH2
     bond right ; N
     bond right from N
     bond dotted
     bond down from N
R2:  benzene
     bond 120 length .1 from R2.V3 ; N
     bond right length .1 from N
     bond down length .1 from N

########################################################################
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.cend