Russian Journal of Applied Chemistry, 2011, Vol. 84, No. 12, pp. 2118−2121.
Pleiades Publishing, Ltd., 2011.
Original Russian Text © A.A. Molodova, N.V. Volkova, D.N. Emel’yanov, I.V. Myalkin, K.V. Kir’yanov, 2011, published in Zhurnal Prikladnoi Khimii, 2011,
Vol. 84, No. 12, pp. 1234−1237.
AND POLYMERIC MATERIALS
Mechanism of Interaction of Cellulose Fabric
with Acrylic Copolymer
A. A. Molodova, N. V. Volkova, D. N. Emel’yanov, I. V. Myalkin, and K. V. Kir’yanov
Lobachevsky Nizhni Novgorod State University, Nizhni Novgorod, Russia
Received May 27, 2011
Abstract—The interaction of cellulose macromolecules of fabric ﬁ bers with a (meth)acrylic (co)polymer was
studied by microcalorimetry and IR spectroscopy.
Filled polymeric materials are heterogeneous sys-
tems with a developed phase boundary. The interaction
of the polymer with the ﬁ ller surface and the proper-
ties and structure of the polymer in boundary layers
determine the set of physicochemical and mechanical
properties of a ﬁ lled system. Today there is no common
opinion in the literature on the mechanism of the poly-
mer interaction with the ﬁ ller surface . The approach
in which the interaction of an adhesive with a substrate
is considered as manifestation of molecular forces en-
suring the adhesion seems to be the most substantiat-
ed. Despite numerous studies concerning the adhesion
phenomenon, its mechanism on the molecular level is
poorly understood .
Acrylic polymer composites reinforced with cellulose
fabric are heterogeneous polymer blends. A study of
properties of such composites is of theoretical interest
and is topical for practice. In particular, such systems
are formed in the course of restoration and conservation
of fabric works of art by impregnation with polymers.
Polyacrylates are widely used for this purpose.
The goal of this study is to determine how the inter-
action of a cellulose fabric with an acrylic copolymer
affects the adhesion properties and thermal aging of the
In our study we used poly(butyl methacrylate)
(PBMA) and a terpolymer (CPL) of butyl methacrylate
(BMA) with vinyl acetate (VA) and butyl acrylate (BA).
The composition and some properties of the (co)polymers
are given in Table 1. The homo- and copolymers were
prepared by radical polymerization of the monomers in
isopropyl alcohol at 353 K. As polymerization initiator
we used azobis(isobutyronitrile) taken in amount of
0.05 wt % relative to the comonomers. Because the
polymerization of the (co)monomers was performed to
deep conversions Р, it can be considered that the gross
composition of the copolymer is close to that of the
initial monomer mixture.
The weight-average molecular weight (MW) of
the copolymers was determined by gel permeation
chromatography at 313 K with a Shimadzu liquid
chromatograph using the columns packed with
polystyrene gel with the pore size corresponding to
molecular weights of 1 × 10
and 1 × 10
ﬂ ow point T
of the copolymers was determined with
a Hoeppler consistometer. The melt viscosity η
measured with a capillary viscometer, a modiﬁ ed device
for measuring the melt ﬂ ow index of thermoplastics
(IIRT), at a temperature equal to Т
+ 20 K.
As reinforcing ﬁ ller (substrate) we used a cellulose
fabric, coarse calico produced by Krasnaya Talka
[Ivanovo, Russia; GOST (State Standard) 29298–2005].
Reinforcement of the fabric of a work of art by doubling it
with another fabric and gluing the fabrics with a polymer
melt (adhesive) was performed at elevated temperatures.