1H-NMR	proton nuclear magnetic resonance
ABS	acrylonitrile-butadiene-styrene
AE	acoustic emission
AFM	atomic force microscopy
AM	additive manufacturing
AROP	anionic (activated) ring-opening polymerization
C1	Bruggolen C1 (initiator: CLMgBr)
C10	Bruggolen C10 (initiator: NaCL)
C20	Bruggolen C20P (activator: hexamethylene-1.6-dicarbomoylcaprolactam)
CB	carbon black
CBT	cyclic butylene terephthalate
CF	carbon fiber
CL	ε-caprolactam
CLMgBr	ε-caprolactam magnesium bromide
CNC	nanocrystalline cellulose
CNF	carbon nanofibers
CNT	carbon nanotubes
CTT	conversion-temperature transformation
DMA	dynamic mechanical analysis
DMF	dimethylformamide
DOC	degree of conversion
dpolym	length of the polymerization part of the pultrusion die
DSC	differential scanning calorimetry
E	Young’s modulus
Fpul	pulling force
FR	flow rate
FTIR	Fourier-transform infrared spectroscopy
G	shear modulus
GF	glass fiber
GO	graphene oxide
GPC	gel permeation chromatography
gsm	gram per square meter (surface weight)
HDT	heat distortion temperature
HMDI	hexamethylene di-isocyanate
HSIMT	high speed impact-bending test
ILSS	interlaminar shear strength
IS	impact strength
LCM	liquid composite molding
LDPE	low density polyethylene
LDPE-g-MA	LDPE grafted by maleic anhydride
LL	ω-laurolactam
LP-RTM	low pressure resin transfer molding
MA	maleic anhydride
MC	microcapsulation
MMA	methyl methacrylate
MMT	montmorillonite clay
Mn	number average MW
Mv	viscosity average MW
Mw	weight average MW
MW	molecular weight
MWCNT	multiwall carbon nanotube
NaCL	sodium caprolactamate
NBC	nylon block copolymer
NBR	acrylonitrile-butadiene rubber
NMP	N-methyl-2-pyrrolidone
NMR	nuclear magnetic resonance
OMMT	organophilic-modified MMT clay
PA	polyamide
PA-12	polyamide-12
PA-6	polyamide-6
PA-6,6	polyamide-6,6
PBT	polybutylene terephthalate
PCL	polycaprolactone
Pclamp	clamping pressure
PDMS	polydimethylsiloxane
phr	parts per hundred parts of resin
PI	polyimide
PIC	phenyl isocyanate (also as cyclic trimer)
Pinj	injection pressure
PMMA	polymethyl methacrylate
POSS	polyhedral oligomeric silsequioxane
PP	polypropylene
Pp	process pressure
PPE	polyphenylene ether
PPG	polypropyleneglycol
PP-g-MA	PP grafted by maleic anhydride
PP-g-PA-6	PP grafted by PA-6
PS	polystyrene
R/r	mold major and minor radius
RH	relative humidity
RIM	reaction injection molding
RISP	reaction-induced phase separation
RMC	residual monomer content
RT	room temperature
RTM	resin transfer molding
SAN	styrene-acrylonitrile
SAXS	small angle X-ray scattering
SCF	short carbon fibers
SEBS	styrene-ethylene-butylene-styrene
SEBS-g-MA	SEBS grafted by maleic anhydride
SEC	size exclusion chromatography
SEM	scanning electron microscopy
SMA	styrene-maleic anhydride
SPC	self-reinforced composite
SRIM	structural reaction injection molding
SWCNT	single-walled carbon nanotubes
T0	initial temperature
Tc	crystallization temperature
Tc	crystallization temperature
Tcool	cooling temperature
tcycle	cycle time
TDI	toluene 2,4-diisocyanate
TEM	transmission electron microscopy
Tf	fusion temperature
Tg	glass transition temperature
TGA	thermogravimetric analysis
tinj	injection time
Tm	melting temperature
Tmax	process maximum temperature
Tmold	mold temperature
TPC	thermoplastic composites
tpolym	polymerization time
Tproc	processing temperature
TPU	thermoplastic polyurethane
Trc	recrystallization temperature
TRI-pultrusion	thermoplastic reaction injection pultrusion
TTT	time-temperature-transformation
VC	void content
Vf	fiber (reinforcement) volume content
Vpul	pultrusion line speed
WAXS	wide angle X-ray scattering
Wf	fiber (reinforcement) weight fraction
XC	degree of crystallinity
XPS	X-ray photoelectron spectroscopy
XRD	X-ray diffraction
ΔHf	heat of fusion
εR	elongation at break
η	intrinsic viscosity
μ	viscosity
ρ	density
σ-	ultimate tensile strength
ω	rotation speed of the rotors