COMPONENT TECHNICAL DOSSIER

SoftFold Compaction

End of use is designed as an action: the bottle collapses at defined points without breaking into separate pieces.

PRE-INDUSTRIAL R2END-OF-USE COMPACTION

AQUENORA before and after controlled SoftFold compaction — P07 · REFERENCE CONFIGURATION

21registered technical fields

11engineering disciplines

6basis / calculated / measured

5targets to be demonstrated

10fields requiring evidence

01 · PRINCIPLE & RATIONALE

Intended function
and associated requirement.

PRINCIPLE

End of use is designed as an action: the bottle collapses at defined points without breaking into separate pieces.

WHY IT IS INCLUDED

Once empty, the user compresses three panels and closes the cap; the target residual volume falls to approximately 175 mL.

DETAILED DESCRIPTION

Three flexible panels collapse between rigid load paths; the closed cap creates a vacuum lock. Three locally thinned zones collapse between rigid load paths. Closing the cap creates a vacuum lock that limits elastic rebound. −65% and ≤10% rebound are test targets. Any logistics benefit must be measured across real cases, collection systems and transport routes.

02 · TECHNOLOGY STACK

Technologies, roles
and approval gates.

T-01

Three collapsible panels

Role: Guide repeatable collapse between rigid spines.
Why: Reduce volume without breaking or separating parts.
Approval gate: Compression curve and 20 cycles.

T-02

Designed wall hinges

Role: Concentrate deformation along intended lines.
Why: Prevent random folds from damaging load paths.
Approval gate: Micro-CT, strain mapping and drop.

T-03

Cap-enabled vacuum lock

Role: Retains the compact form after closing.
Why: Limits rebound without straps or accessories.
Approval gate: Residual volume and 30-minute retention.

03 · ARCHITECTURE

Function, material
and interfaces.

Three locally thinned zones collapse between rigid load paths. Closing the cap creates a vacuum lock that limits elastic rebound.

MATERIALLocally thinned zones integrated into the PHA body

CANDIDATE PROCESSControlled wall-thickness map in blow moulding

INTERFACES

Shoulder
longitudinal ribs
cap seal

FUNCTIONAL ARCHITECTURE

01Panels between rigid spines
02Empty / compress / close sequence
03Cap-enabled vacuum lock
04Zero separate parts

04 · MASTER PARAMETER REGISTER

Everything to be defined,
measured or certified.

A field without evidence is never filled with an invented number: it remains “To be determined”, together with the method required to close it. This is what makes the technical record verifiable.

DESIGN BASISTARGETCALCULATED / MEASUREDTO BE VALIDATEDCERTIFICATION REQUIRED

01Identification & function4 PARAMETERS

ID	Parameter	Symbol	Value	Unit	Tolerance	Condition	Method	Status
P07-001	Assembly code	ID	P07	—	To be defined	23 °C / 50% RH unless noted	CAD, CAE or dedicated test	DESIGN BASIS
P07-002	Designation	NAME	SoftFold	—	To be defined	23 °C / 50% RH unless noted	CAD, CAE or dedicated test	DESIGN BASIS
P07-007	Use sequence	SEQ	empty/compress/close	—	To be defined	23 °C / 50% RH unless noted	CAD, CAE or dedicated test	DESIGN BASIS
P07-X001	Intended use	USE	To be determined	—	To be defined	Full use cycle	Design review + user study	TO BE VALIDATED

02Risk & maturity2 PARAMETERS

ID	Parameter	Symbol	Value	Unit	Tolerance	Condition	Method	Status
P07-003	Architecture revision	REV	R2	—	To be defined	23 °C / 50% RH unless noted	CAD, CAE or dedicated test	DESIGN BASIS
P07-004	Technology readiness	TRL	2–3	level	To be defined	23 °C / 50% RH unless noted	CAD, CAE or dedicated test	TO BE VALIDATED

03Food contact2 PARAMETERS

ID	Parameter	Symbol	Value	Unit	Tolerance	Condition	Method	Status
P07-005	Declaration of Compliance	DoC	required	document	To be defined	23 °C / 50% RH unless noted	CAD, CAE or dedicated test	CERTIFICATION REQUIRED
P07-X007	Overall and specific migration	MIG	To be determined	mg/kg	Applicable limits	Simulant/time/temperature	Accredited methods	TO BE VALIDATED

04Quality control2 PARAMETERS

ID	Parameter	Symbol	Value	Unit	Tolerance	Condition	Method	Status
P07-006	Lot traceability	LOT	100	%	To be defined	23 °C / 50% RH unless noted	CAD, CAE or dedicated test	TARGET
P07-X006	Process capability	Cpk	To be determined	—	Target to be defined	Critical CTQ	SPC ≥30 samples	TO BE VALIDATED

05Geometry & metrology2 PARAMETERS

ID	Parameter	Symbol	Value	Unit	Tolerance	Condition	Method	Status
P07-008	Collapsible panels	npanel	3	no.	To be defined	23 °C / 50% RH unless noted	CAD, CAE or dedicated test	DESIGN BASIS
P07-X002	Nominal mass	m	To be determined	g	To be defined	23 °C / 50% RH	Balance 0.001 g	TO BE VALIDATED

06Mechanical properties3 PARAMETERS

ID	Parameter	Symbol	Value	Unit	Tolerance	Condition	Method	Status
P07-009	Volume reduction	ΔV	≈65	%	To be defined	23 °C / 50% RH unless noted	CAD, CAE or dedicated test	TARGET
P07-010	Elastic rebound after 30 min	REB	≤10	%	To be defined	23 °C / 50% RH unless noted	CAD, CAE or dedicated test	TARGET
P07-X005	Drop resistance	Hdrop	To be determined	m	To be defined	Defined orientations	Instrumented drop test	TO BE VALIDATED

07Durability & reliability1 PARAMETERS

ID	Parameter	Symbol	Value	Unit	Tolerance	Condition	Method	Status
P07-011	Compaction cycles	Nfold	20	cycles	To be defined	23 °C / 50% RH unless noted	CAD, CAE or dedicated test	TARGET

08Kinematics / sealing / barrier1 PARAMETERS

ID	Parameter	Symbol	Value	Unit	Tolerance	Condition	Method	Status
P07-012	Vacuum-lock retention	LOCK	30	min	To be defined	23 °C / 50% RH unless noted	CAD, CAE or dedicated test	TARGET

09Recyclability2 PARAMETERS

ID	Parameter	Symbol	Value	Unit	Tolerance	Condition	Method	Status
P07-013	Separate parts at end of use	nloose	0	parts	To be defined	23 °C / 50% RH unless noted	CAD, CAE or dedicated test	DESIGN BASIS
P07-X008	Territory-specific end-of-life route	EOL	To be determined	—	Country/area defined	Complete assembly	Infrastructure mapping	TO BE VALIDATED

10Material1 PARAMETERS

ID	Parameter	Symbol	Value	Unit	Tolerance	Condition	Method	Status
P07-X003	Commercial grade and supplier	GRADE	To be determined	—	Qualified grade	Production lot	CoA + traceability	TO BE VALIDATED

11Thermal properties1 PARAMETERS

ID	Parameter	Symbol	Value	Unit	Tolerance	Condition	Method	Status
P07-X004	Service-temperature range	Tservice	To be determined	°C	To be defined	Use and transport	Climate chamber	TO BE VALIDATED

05 · INDUSTRIALISATION

From material
to final inspection.

INPUT

Qualified material

Locally thinned zones integrated into the PHA body

FORMING

Process within window

Controlled wall-thickness map in blow moulding

INTEGRATION

Controlled interfaces

Shoulder · longitudinal ribs · cap seal

RELEASE

CTQ + traceability

The function depends on the blow-moulded wall-thickness map: too stiff and it will not activate; too thin and top-load or drop resistance will be compromised.

06 · DVP&R

A function is approved
only after passing its test.

Test	Requirement	Risk	Method	Condition	Samples	Acceptance	Output
DVP-02	Wall-thickness map	Weak zones	Micro-CT	3 lots	15	Conforms to frozen CAE	Thickness map
DVP-03	Top/side load	Collapse	Compression	23 °C; empty/full	30+30	≥250 N / ≥80 N	Force-displacement curves
DVP-04	Filled-bottle drop	Breakage/leak	Drop	1 m; water 4 °C; base/side/cap	60	0 leaks; 0 loose parts	Failure map
DVP-11	SoftFold	Rebound	Cyclic compression	20 cycles	30	−65% V; rebound ≤10%	Volume/time

07 · FAILURE MODES

Failure modes,
causes and controls.

R-01

Body brittleness

EffectBreakage/leak

CausePHA thermal window

ControlDSC/TGA, rheology, process DOE

R-02

Non-uniform walls

EffectBuckling/drop failure

CauseAsymmetric geometry

ControlBlow-moulding CAE + micro-CT

R-03

AeroSkin detachment

EffectLoss of function/loose part

CauseInsufficient seal

ControlPeel, thermal cycling and drop

08 · EVIDENCE POLICY

Traceability
for every parameter.

Volume reduction may improve collection and transport, but it does not make the material automatically recyclable or compostable. The appropriate destination remains location-specific.

This page is the technical register for the R2 configuration. It separates design values, targets, calculations, measurements and certifications. Open fields identify the exact test or document required to close them.

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