JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 65

Development of new type of plastics: Polypropylene 2.0

Figure 3: Effect of PP ionomer on adhesive surface

Figure 4: Effect of adding PP ionomer to CFRPP

PP ionomer and its adhesive effect
The company used the terminal functional group of PP to
synthesise a variety of polypropylene-based block copolymers. (Polyacrylic acid)-PP-(polyacrylic acid) triblock

copolymer (PP ionomer) can be turned into metal salts by
neutralising the acrylic acid blocks with various metal hydroxides as needed and can be given functionality based on
the metal species. For a more stable supply of the PP ionomer, San-ei Kogyo is working to improve the complex multi-step process involved and reduce the cost.
Due to the random insertion of maleic acid into PP chains,
the typical maleic acid-modified PP has shorter isotactic
chains, significantly reducing crystallinity. Consequently, it
tends not be incorporated into the crystalline phase of matrix
PP (Figure 2). In contrast, PP ionomer obtained from the
terminally-reactive PP developed by the company contains
PP chains with a molecular weight of over 10,000, which is
sufficient for incorporation in the crystalline phase of matrix
PP. Furthermore, in maleic acid-modified PP, maleic acid
adheres to the surfaces of various materials in points, where
PP chains barely penetrate into the non-crystalline phase on
PP surfaces. In comparison, in PP ionomer, polar blocks adhere to the surface of various materials in planes, where PP
blocks crystallise with matrix PP.
This results in adhesion with a strong anchoring effect. And
when breaking, this breaking occurs within the non-crystalline phase of the PP matrix in the case of PP ionomer, as
opposed to the non-crystalline phase on PP matrix surfaces
in the case of maleic acid-modified PP (Figure 3). Because
of this effect, PP ionomer forms stronger reinforced PP than
maleic acid-modified PP.
For example, the addition of PP ionomer to carbon fibre-reinforced PP increases tensile strength by 10% and the modulus of elasticity by 40%, as compared to commercially-available modified PP (MAPP) (Figure 4).

N°136 September - October 2020

More information:
sasaki@misato-net.com

/ jec composites magazine

65


http://www.michelman.com

JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020

Table of Contents for the Digital Edition of JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020

Cover
Edito
“We can change the way we envision global shipping overall”
Contents
NEWS
In brief
Agenda
BUSINESS
Reinforcement - Natural-fibre composites: an overview
Startup - When 3D printing meets sustainability
China - Xinzhou bets on the bamboo-based composites industry
MANUFACTURING
Wind - lnnovation in wind power through multi-process-capable systems
Automation - Higher production capacity thanks to automated manufacturing
FEATURE Sustainability - The path has been plotted
Recycling ecosystem - Composites recycling: in search of the circular economy
Mobility - A new generation of recycled composite materials for sustainable mobility
Preimpregnated textile - Healable composites to improve circularity
Process - New trends in composites and plastics recycling
Raw materials - Innovative composites made from up to 92% reclaimed materials
Construction - Biocomposites and automation: a sustainable future for the building industry
Ressources - Waste-free composite wheel production
Wind energy - From bottle to blade
Durable composites - Upcycling plastic bottles into value-added composite applications
Matrix - Novel thermoset composites for more competitive and sustainable industries
SOLUTIONS
Aerospace - Slinging rockets into space
Aerospace - Composites push back the final frontier
Railway - Composite overhead line catenary system for light rail
TECHNOLOGY
Repair - Developing an eddy current-based sensor system for quality assurance of carbon fibres
Inside the lab - Advanced Composite Materials Facility University of Southampton
Resin - Development of new type of plastics: Polypropylene 2.0
Index
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JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - Cover
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 2
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - Edito
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - “We can change the way we envision global shipping overall”
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 5
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - Contents
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 7
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - In brief
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 9
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 10
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - Agenda
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - Reinforcement - Natural-fibre composites: an overview
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 13
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - Startup - When 3D printing meets sustainability
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 15
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - China - Xinzhou bets on the bamboo-based composites industry
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 17
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - Wind - lnnovation in wind power through multi-process-capable systems
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 19
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 20
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 21
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - Automation - Higher production capacity thanks to automated manufacturing
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 23
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 24
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 25
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - Recycling ecosystem - Composites recycling: in search of the circular economy
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 27
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 28
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 29
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 30
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - Mobility - A new generation of recycled composite materials for sustainable mobility
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 32
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - Preimpregnated textile - Healable composites to improve circularity
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 34
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 35
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - Process - New trends in composites and plastics recycling
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 37
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - Raw materials - Innovative composites made from up to 92% reclaimed materials
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 39
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - Construction - Biocomposites and automation: a sustainable future for the building industry
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 41
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - Ressources - Waste-free composite wheel production
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 43
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - Wind energy - From bottle to blade
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 45
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - Durable composites - Upcycling plastic bottles into value-added composite applications
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 47
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - Matrix - Novel thermoset composites for more competitive and sustainable industries
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 49
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 50
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - Aerospace - Slinging rockets into space
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 52
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 53
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - Aerospace - Composites push back the final frontier
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 55
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - Railway - Composite overhead line catenary system for light rail
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 57
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 58
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - Repair - Developing an eddy current-based sensor system for quality assurance of carbon fibres
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 60
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 61
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - Inside the lab - Advanced Composite Materials Facility University of Southampton
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 63
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - Resin - Development of new type of plastics: Polypropylene 2.0
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 65
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - Advertisers
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 67
JEC COMPOSITES MAGAZINE - Issue #136 - September/October 2020 - 68
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